IDS12: The Return of the Rumford Fireplace as an Efficient Prefab

The article details the construction and features of a unique rammed-earth house in Bar Harbor, Maine, owned by retired professors Sue Turner and Karl Karnaky. Faced with a dilapidated 1940s camp that was beyond repair due to mold and structural issues, the couple opted for a sustainable and energy-efficient solution by building a new home from the ground up, utilizing the excavated earth itself. This construction method, common in arid climates and ancient civilizations, is believed to be the only one of its kind in Maine and potentially New England. The initial skepticism of Karl Karnaky regarding the durability of an earth-built home was dispelled by the project's success. The couple, who divide their time between Maine and South Carolina, achieved state-of-the-art energy efficiency, spending approximately $400 annually for heating and power. The rammed-earth technique involves mixing earth with a small amount of water, sand, stone, and Portland cement, then compressing it in forms layer by layer until the desired building height is reached. This process results in incredibly sturdy and ultra-efficient walls. A key benefit of rammed-earth walls is their thermal mass, allowing them to absorb heat during the day and release it at night, naturally regulating indoor temperatures. For the colder Maine climate, insulation was integrated into the 2-foot-thick walls, placed in the middle to allow the raw, textured earthen surfaces to be visible both inside and out. The house also incorporates electric radiant floor heating and triple-glazed windows to further enhance its energy performance. One of the primary challenges encountered during the project was finding contractors willing to work with an unfamiliar building method. Bar Harbor residential designer Barbara Sassaman meticulously planned the 2,000-square-foot structure, paying close attention to the placement of electrical wiring and plumbing within PVC pipes embedded in the thick walls, as these elements could not be easily altered post-construction. The MDI-based construction team, consisting of Bill Shaw, Rufus Nicoll, Mike Gilmartin, and Steve Gormley, conducted preliminary tests to determine the optimal soil-concrete mix. Due to the high clay content in Turner and Karnaky's soil, they were able to reduce the typical 10 percent Portland cement content to 7 percent. The resulting soft gray walls display the textured imprints of the wooden forms, a feature the owners intentionally preserved despite the builders' offer to sandblast them smooth. This natural aesthetic guided the interior design, which features an uncluttered, contemporary style complemented by antiques and salvaged materials. Many of the cabinets and doors were crafted by Bernard carpenter John Law from reclaimed wood, and Bill Shaw fashioned the railings from spruce branches. A vintage wagon wheel was repurposed into a chandelier, further emphasizing the home's commitment to sustainability and character. The use of salvaged materials not only adds warmth but also reflects the couple's desire to minimize their environmental impact, embodying a philosophy of treading lightly on the earth. #rammedEarthHouse #sustainableLiving #energyEfficiency #BarHarborMaine #passiveSolar #greenBuilding #homeDesign #reclaimedMaterials #architecturalInnovation

This review details the testing and performance of the Duraflame electric fireplace, a compact unit designed to provide both warmth and aesthetic appeal to indoor spaces. The author, a New England resident living in an apartment without a traditional fireplace, highlights the product's ability to offer a cozy ambiance and supplementary heating. The article emphasizes the fireplace's user-friendly features, including its compact size (under 2 feet tall), 3D flame effects that mimic real fire without smoke, and its 5,200 BTU heater capable of zone heating up to 1,000 square feet. It also notes the infrared quartz heat technology, which helps maintain natural humidity in the air, preventing dryness, and the availability of the unit in eight different colors to complement various room decors. The testing methodology focused on assembly, size, aesthetics, and heating capabilities. Assembly was straightforward, requiring only a Philips head screwdriver for the legs, with the entire process taking under five minutes. The remote control came with pre-installed AAA batteries. The compact size of the fireplace makes it suitable for smaller areas, although the author wished for a slightly larger or taller design that could double as a surface for decor. Aesthetically, the fireplace successfully transformed the living room into a comfortable space, providing a realistic visual of moving flames and a gentle hum from the heater that serves as white noise. The only missing element for a more authentic experience was the sound of crackling fire. The heating performance was a critical aspect of the review. The 5,200 BTU heater proved effective, particularly during an unexpected oil shortage at the author's home. Setting the thermostat to 70 degrees Fahrenheit resulted in a significant warming of the living and dining areas within 30 minutes, to the point where the author felt the need to remove blankets. The fireplace features an adjustable digital thermostat ranging from 62 to 82 degrees Fahrenheit, controllable via a remote, though temperature adjustments require manual input on the unit itself. An electronic timer function allows for automatic shut-off between 30 minutes and nine hours. The article also synthesizes feedback from over 13,000 Amazon reviews, where the Duraflame electric fireplace holds an average rating of 4.4 out of five stars. Reviewers praised its aesthetic appeal, ease of use, realistic flames, and heating efficiency for small to medium-sized rooms. The fireplace is noted for its ability to provide warmth and ambiance without requiring the heat function to be active. Practical considerations such as electricity consumption (approximately $0.24 per hour for a 1,500-watt unit) and safety guidelines (not to be left running overnight, maintaining a 3-foot clearance from combustible materials) are also addressed. The unit's design allows it to be safely placed on carpeted surfaces due to its elevated structure. #Duraflame #ElectricFireplace #HomeHeating #HomeDecor #ProductReview #CompactAppliance #EnergyEfficiency #RoomAmbience

The French manufacturer Focus is making it easier for architects and interior designers to specify eco-friendly fireplaces with its Ecodesign Ready label. This initiative aligns with the European Union's Ecodesign program, which aims to reduce emissions across Europe and will be implemented for wood-burning and multi-fuel stoves on January 1, 2022. The Ecodesign Ready characteristics include a reduction in particulate emissions and unburned gases, decreased energy consumption, increased energy efficiency, and control using EU-recognized measurement methods. Focus operates globally, with approximately 60 percent of its sales outside France. The company has adapted to stringent international requirements to maintain competitiveness. One notable innovation is the Slimfocus, a DEFRA-approved fire designed for urban areas where wood-burning restrictions are in place. The Slimfocus features a cylinder of flames, with options for a suspended, pivoting hearth or a fixed, base-supported unit. Its minimalist design makes it suitable for various placements within a room, showcasing a stylistically revolutionary approach. Focus has built its reputation on continuous research and development, and its product catalog now includes 17 gas models. These gas fires are designed to authentically mimic the appearance of real wood flames while eliminating the associated drawbacks. All gas fires are equipped with CE-certified gas burners compatible with natural gas or propane, ensuring ease of use and high performance through state-of-the-art combustion systems. The company has also adapted several leading models for outdoor use, reflecting a trend towards merging interior and exterior design schemes. The pivoting, suspended Gyrofocus, Ergofocus, and Emifocus models are now available with anti-corrosion coatings and a choice of resistant black paint or a rust finish that develops a natural patina over time. Gas fires come with remote control functionality, allowing for easy adjustments and simple operation. For wood fires, models with a thermal efficiency of 70 percent or more offer an excellent renewable energy solution. To enhance the customer experience, Focus provides an augmented reality app that enables clients to visualize a fireplace in their own home before purchase. With a presence in over 70 countries and a selection of 70 models, Focus fireplaces are distinguished by their unique designs, advanced technology, and energy efficiency. The range offers a suitable fireplace for diverse projects, from seaside retreats to snow lodges and sauna cabins, underscoring the brand's commitment to both aesthetics and sustainability. #FocusFireplaces #EcodesignReady #EcoFriendlyDesign #SustainableHeating #FireplaceDesign #InteriorDesign #ArchitecturalDesign #GasFires #WoodBurningStoves

Metaplace Industries is set to launch 'ascendance,' a unique fireplace crafted from petrified wood, at New York City’s International Contemporary Furniture Fair (ICFF) from May 19th to 22nd, 2019. Founded by Nick Wray, Metaplace Industries aims to merge naturally occurring materials with man-made design, creating objects that bridge ancient formations and contemporary living. The 'ascendance' fireplace is a prime example, utilizing material that has undergone millions of years of geological transformation. Petrified wood is the fossilized remains of terrestrial vegetation, formed through a process called permineralization. Over vast periods, the original organic matter of a tree is replaced by minerals, effectively turning the wood into stone while meticulously preserving its cellular structure and appearance. This natural process inspired Metaplace Industries to conceptualize a freestanding fireplace from an individual petrified wood trunk. The inherent properties of petrified wood mean that, despite its woody origin, it does not burn, functioning instead with the durability and aesthetics of natural stone. For the 'ascendance' fireplace, Metaplace Industries sourced a specimen from a low-land tropical tree species, specifically Dipterocarpaceae, indigenous to Central Indonesia. This particular piece of petrified wood is estimated to be approximately 22 million years old, underscoring the deep historical connection integrated into the design. The petrified wood trunk rests upon a custom-designed concrete base, which features a hollow core. This core ingeniously houses a low-voltage natural gas burner, offering convenient control through either a remote control or Bluetooth connectivity, blending ancient material with modern technology. Nick Wray, the founder of Metaplace Industries, articulates the company's philosophy: “Metaplace draws its inspiration from the world’s wonder and beauty. It’s petrified wood, millions of years in the making, a wood that is stone, a material that is as mysterious and alluring as a polished gem, and yet built to provide the perfect hearth that truly could last for millions of years without ever losing its luster.” This statement highlights the reverence for natural processes and the ambition to create enduring, timeless pieces. Beyond its aesthetic and functional contributions, Metaplace Industries is committed to social responsibility. In recognition of Indonesia as the primary source for the petrified wood used in their creations, 2% of the net profits generated from the sale of 'ascendance' fireplaces will be donated to Direct Relief International. This non-profit organization is dedicated to assisting Indonesian children residing in areas of extreme poverty, providing a philanthropic dimension to the company's operations. The 'ascendance' fireplace represents a fusion of ancient natural history, contemporary design, and a commitment to global community support. #MetaplaceIndustries #PetrifiedWood #FireplaceDesign #ICFF2019 #NickWray #SustainableDesign #InteriorDesign #LuxuryFurniture #DirectReliefInternational

Fire features, including fireplaces, fire pits, and fire tables, are increasingly popular for both indoor and outdoor spaces, offering romance, comfort, and potential resale value. These architectural elements are evolving with new technologies and designs to suit various homeowner needs. While traditional fireplaces were once key selling points, modern options provide flexibility in design and fuel sources, expanding their accessibility to more homes. Beyond aesthetic appeal, fire features can offer health benefits. Studies indicate that sitting by a fireplace can reduce blood pressure and promote relaxation. However, there are also safety and health concerns associated with various fuel types. Wood-burning fireplaces, though offering visual and tactile appeal, are the least efficient and release air pollutants such as particulate matter, carbon monoxide, and nitrogen dioxide. Gas fireplaces are more energy-efficient but also produce carbon monoxide. In outdoor settings, emissions from fire features are diluted in open air, reducing the risk of inhaling toxic pollutants, provided there is sufficient space. For wood-burning outdoor features, a distance of two to three feet between users and the fire is recommended. Individuals with respiratory or cardiovascular conditions should exercise caution, as even low exposure to pollutants can trigger adverse health effects. Adequate ventilation and distance are crucial for indoor fireplaces to mitigate these risks. The market for fire features is seeing significant trends, particularly the rise of electric and biofuel options. Electric fireplaces have shown immense improvement in realism and quality, making them a viable alternative to gas or wood-burning versions, especially where venting is not possible or gas bans are in effect. David Brown, vice president of marketing at Napoleon, noted the rapid growth of electric fireplaces due to their realism and reduced environmental concerns. Sharon L. Sherman, an interior designer, also highlighted their use when traditional venting is not feasible, mentioning installations of linear gas, linear electric, and biofuel fireplaces in her projects. Heat & Glo, a major manufacturer, is heavily focused on electric models, incorporating digital imagery for a realistic experience. Many contractors are now recommending electric fireplaces for both indoor and outdoor applications due to their convenience. Biofuel, or bi-ethanol fuel, derived from crops like corn, offers a cleaner burning alternative that does not produce smoke and typically does not require ventilation, eliminating indoor air quality issues often associated with wood or gas. However, biofuel fireplaces typically generate less heat than traditional options and may have slower startup times. Building codes for fire features can vary significantly by location, impacting installation choices. General contractor Randall Veenstra noted that 98% of the fire features they install are gas, emphasizing that both gas and wood-burning features necessitate external venting, which is not always practical. In such cases, biofuel or electric fireplaces become excellent alternatives. A growing number of wellness- and environmentally-conscious homeowners are choosing these cleaner installations, irrespective of regulatory requirements, prioritizing health and environmental impact. Ultimately, the appeal of a fire feature lies in the ambiance and romance it provides, rather than the specific fuel source. Installing a fire feature can enhance a home's resale value, as indicated by real estate platforms like Redfin and Zillow, and significantly improve year-round enjoyment for residents. The advancements in electric and biofuel technologies are making these desirable home additions safer, more accessible, and more environmentally friendly for a wider range of homeowners. #Fireplace #FireFeature #FirePit #FireTable #OutdoorLiving #WellnessDesign #GasFire #Sustainability #HomeImprovement

This article details the deep energy retrofit (DER) of a 1960s ranch-style house, transforming it into a near-zero-net-energy (ZNE) home. The homeowners, after years of living in energy-inefficient houses, decided to remodel a rundown ranch rather than tear it down and build new, guided by architect David Toder's advice that "the greenest house is one you do not have to build." Their goal was to achieve energy independence and a sustainable lifestyle, driven by rising fuel costs and an interest in ZNE design. The retrofit involved a comprehensive upgrade of the home's thermal envelope, following Building Science Corporation's standards for cold climates. The roof was insulated to R-60 by expanding rafter bays with sistered 2x6s filled with dense-pack cellulose, and then adding 4 inches of rigid polyisocyanurate foam in two layers to the exterior. Walls in the addition were constructed with Durisol insulated concrete forms (ICFs), which received an additional 1.5 inches of closed-cell spray foam on the exterior to achieve an R-40 rating. The existing house's 2x4 framed walls were dense-packed with 3.5 inches of cellulose, followed by approximately 4 inches of closed-cell spray foam applied to the exterior over a vertically mounted 2x3 framework, creating a drainage plane behind the cedar clapboards. Basement cinder-block walls were framed out and sprayed with foam to reach R-27. For the floors, the existing slab received 1.5 inches of rigid foam for an R-7 value, while the new addition's slab incorporated 4 inches of rigid foam underneath for an R-20 rating. Beyond the thermal envelope, the project incorporated high-efficiency systems. Triple-glazed, krypton-gas-filled, cellular-composite casement windows from Okna were installed, boasting a U-value of 0.16. Heating and cooling are managed by a Mitsubishi Mr. Slim ducted air-source heat pump, chosen for its efficiency and cost-effectiveness over geothermal options. A Lifebreath heat-recovery ventilator (HRV) ensures constant fresh air exchange in the nearly airtight home. Hot water is supplied by a Stiebel-Eltron Accelera 300 heat-pump water heater, extracting ambient heat from the utility room. Electricity is primarily generated by a 5.16kW, 24-panel Sanyo photovoltaic (PV) array on the roof, significantly reducing reliance on the utility company. The homeowners also acted as general contractors, managing 47 different people and saving 10% to 15% on costs while ensuring quality control. The project successfully transformed the 860 sq. ft. original house into a 2200 sq. ft., three-bedroom, two-bath modern home that is nearly net-zero-energy. The total cost for the PV system, after various federal and state tax credits and rebates, was $13,420. Annual utility costs were drastically reduced, with the PV production offsetting a significant portion of electricity expenses. The home also received an Energy Star certificate, adding value and validating its energy performance. #DeepEnergyRetrofit #ZeroNetEnergy #SustainableLiving #EnergyEfficiency #HomeRemodeling #InsulatedConcreteForms #SolarPower #HeatPump #BuildingScience #AirSealing

Architect Doug Burdge, a Malibu resident and professional, offers insights into fire-resilient home design, drawing from decades of experience in a region prone to wildfires. Having personally lost homes to fires and assisted numerous clients in rebuilding, Burdge has developed a deep understanding of the challenges and necessary architectural intelligence for living in fire-prone areas. He emphasizes that wildfires are an inevitable aspect of life in Malibu, describing it as “living in a fireplace,” and advocates for a proactive approach to design and community resilience. Burdge's journey began in Encino, where his childhood involvement in scouting fostered a respect for conservation. After studying architecture at USC, he gained experience in hurricane-resilient design in Cabo San Lucas before settling in Malibu. His first direct encounter with wildfire devastation occurred in 1993 during the Old Topanga Fire. He built his first Malibu home, a Spanish hacienda, on a lot affected by this fire. Later, a second home, a modern Vermont-style farmhouse, was destroyed in the 2018 Woolsey Fire. This year, his original hacienda also burned in the Palisades Fire. These personal losses, combined with the experiences of his clients, have fueled his commitment to developing smarter, stronger, and more environmentally attuned building practices. Burdge is passionate about establishing a “Malibu Standard” for fire-resistant design, aiming for it to become a global benchmark. His approach integrates personal experience with lessons from other fire-prone regions like Australia and Mexico. He also highlights the importance of community-based solutions, viewing the neighborhood as the first line of defense. His “New Rules of Building” serve as a guide for architects, homeowners, and communities. These rules include: embracing a long-term view that prioritizes legacy and resilience, recognizing that homes should withstand both time and natural disasters; adopting a mindset shift to view fires as inevitable and designing accordingly, incorporating fire-resistant materials and creating defensible space; learning from past events and other communities' experiences, such as those in Australia; involving the private sector through public-private partnerships to foster innovation in fire-resilient practices; eliminating “kindling” around properties by replacing flammable materials like wood fences and railroad ties with fire-resistant alternatives, and encouraging collective efforts within neighborhoods for effective defense; and fostering a civil defense mindset within communities, including the formation of community brigades for both active wildfire response and proactive fire hardening. Additionally, Burdge stresses the importance of working with nature through responsible vegetation management and thoughtful building placement, and treating resilience as a year-round priority, implementing fire-protective designs even in the absence of immediate threats. Burdge Architects applied these principles in their 2022 Sunset Idea House, a rebuild of a home lost in the Woolsey Fire. This project incorporated heat-resistant windows, metal roofing, and flame-retardant siding, showcasing a transitional style that is both resilient and aesthetically pleasing. The non-negotiable best practices for fire-resistant homes include: exterior wildfire protection systems with automated sprinklers, remote monitoring, and battery backup; fire-resistant features like fire-rated caulking and non-combustible decking; strategic landscaping and defensible space with low-risk plant materials; Class A roofing using fire-rated materials; ember defense measures such as avoiding crawl spaces and attic vents, using non-combustible siding, and installing fine mesh screens on existing structures; and fire-resistant windows with dual-pane tempered glass and fire-rated frames. Consideration of alternate building systems like concrete-clad Blue Planet BP2 panels is also recommended for their energy efficiency and fire resistance. These measures collectively aim to protect homes effectively during wildfires. #FireResilientDesign #MalibuArchitecture #WildfireSafety #DougBurdge #CommunityResilience #DefensibleSpace #FireResistantMaterials #ArchitecturalInnovation #MalibuStandard

The 'Faire le vide' public art installation is situated on a rocky promontory on Island no. 22 within Poisson Blanc Regional Park in Notre-Dame-du-Laus, Quebec. This installation is the inaugural piece in a series of artistic interventions planned for the park's islands, aiming to transform the reservoir area into a cultural and outdoor destination. The project originated from Poisson Blanc Regional Park, indicating a strategic effort to integrate art into the natural landscape and enhance visitor experience. Designed by a team comprising artist and architect Luca Fortin and Atelier mock/up, 'Faire le vide' was the winning entry in a design competition. The artwork manifests as a wooden cube, characterized by a minimalist and monolithic exterior. In contrast, its interior features sculpted, flowing curves and intricate textures, creating a juxtaposition between its outer and inner forms. This dual aesthetic is central to the installation's artistic expression. The design process for the monolith was deeply influenced by its insular environment. The installation is only accessible by water, typically via canoe or kayak, underscoring its remote and integrated nature. From the lake, its form and materiality serve as a subtle landmark, designed to pique curiosity and encourage visitors to explore Island no. 22. This integration with the natural setting highlights a thoughtful approach to site-specific art. Logistical constraints of the remote island location informed innovative construction methods. The structure was entirely prefabricated off-site to avoid the need for heavy machinery. Each wooden slab was transported by boat and then assembled manually on-site, demonstrating a commitment to minimizing environmental impact. The installation's design and placement were carefully considered to ensure minimal disruption to the rocky outcrop and the surrounding natural landscape. Constructed from CNC-milled laminated cedar, the structure showcases two distinct geometric expressions: an orthogonal exterior shell and an organically shaped inner chamber. The exterior walls are clad with vertical slats, intended to visually harmonize with the surrounding forest. The interior surfaces retain the marks left by the milling tool, creating textures that evoke the natural ripples of wind on water. These toolpaths are the result of meticulous experimentation, illustrating how industrial processes can be leveraged to produce perceptual and poetic experiences. 'Faire le vide' represents a confluence of place and craft, where artistic vision and fabrication techniques are intertwined. The installation fosters a dialogue between human intervention, natural materials, and the rhythms of the landscape. It functions as a threshold, bridging the visible and invisible aspects of the environment and celebrating the poetic qualities of both place and time. The project emphasizes that art can emerge in unexpected locations, prompting a re-evaluation of how individuals perceive their surroundings and find meaning in the simplicity of the present moment. #PublicArtInstallation #ArchitecturalDesign #EnvironmentalIntegration #PrefabricatedConstruction #CNCmilling #CedarWood #QuebecArchitecture #RemoteInstallation #SiteSpecificArt

The use of rammed earth as a building material is experiencing a resurgence in UK and European architecture, moving beyond its historical association with 'eco' projects or aid work. Scott Boote of Webb Yates Engineers advocates for this ancient method as a viable low-carbon alternative in contemporary construction, particularly as the industry aims to meet 2030 carbon and energy targets, adopt circular economy principles, and engage with initiatives like the RetroFirst campaign. Modern multi-storey buildings often rely on concrete, steel, or timber frames with non-structural external walls made from energy-intensive materials like metal studwork or concrete blocks. Rammed earth, by contrast, offers a sustainable solution that leverages locally available soil, reducing both manufacturing and transportation emissions. While some perceive rammed earth as primitive, it can be finished in various ways, including rendering, cladding, painting, plastering, dry-lining, or sealing, making it a direct substitute for energy-hungry clay bricks or concrete blocks. The material is primarily composed of aggregates such as sands and gravels, with a small clay content acting as a binder. Careful control of moisture content is crucial during its formation to prevent shrinkage, cracking, or inadequate binding. However, with proper preparation, rammed earth allows for faster construction than cob or adobe mud buildings and can be scaled for projects such as new office blocks or housing schemes. Its durability, when correctly detailed, is evident in historical structures like parts of the Great Wall of China and the Great Pyramid of Giza, as well as numerous 200-year-old rammed earth buildings in the UK. Design considerations, such as building on durable plinths and incorporating increased roof overhangs or 'speed bumps' like slate or tile courses, can protect against erosion and enhance longevity. Earth walls are typically thick, which provides significant thermal mass and moisture buffering, helping to regulate internal environments without the complex layering common in modern construction. Although rammed earth has low embodied energy, it requires insulation in cooler climates. Its density and constituent materials are similar to clay brickwork or concrete blockwork, resulting in comparable thermal performance. However, employing earth construction can reduce a wall's carbon footprint by two-thirds. Construction costs are often on par with conventional masonry, and the use of site-won or local materials can further enhance its cost-effectiveness. Recycled concrete, brick, and stone can also form the bulk of the rammed earth mixture, requiring only a small addition of dried clay, which contributes to a more economical and sustainable building process. Meeting climate commitments necessitates a shift towards new working methods and a more circular design approach. This involves moving away from linear design processes that culminate in mass-produced products and, instead, focusing on sourcing and utilizing locally available materials. These materials would be thoroughly tested, analyzed, and certified on a project-by-project basis. The integration of site-won demolition or excavation materials into new construction projects, such as using them in the fabric of a building, is a logical and environmentally responsible step in this evolving paradigm. The article provides several examples of contemporary rammed earth architecture, including the Strawbale Workshops by Grain Architecture, Bushey Cemetery by Waugh Thistleton Architects, Yorkshire Sculpture Park by Feilden Fowles (though using a similar aesthetic with pigmented concrete), the TECLA 3D-printed dwelling prototype by Mario Cucinella Architects and WASP, and the CobBauge project for new-generation cob homes, demonstrating the versatility and potential of earth-based construction methods. #RammedEarth #SustainableArchitecture #LowCarbonConstruction #CircularEconomy #BuildingMaterials #ArchitecturalInnovation #RetroFirst #GreenBuilding #EmbodiedEnergy

Rammed-earth construction, a technique thousands of years old with origins in China and the Iberian Peninsula, offers numerous benefits for contemporary home building. Examples such as the original rammed-earth sections of the Great Wall and the Alhambra palace in Spain demonstrate its historical durability. This method is favored by Terrell Wong, principal of Stone’s Throw Design, due to its low embodied energy, recyclability, high thermal mass, low energy loads, and non-toxicity. Wong highlights its longevity, stating that a rammed-earth house can last 500 years or more, requiring no painting. These walls function as the structure, insulation, finish, and thermal mass of a building. The construction process involves creating panels approximately 11.5 feet long from a mixture of 20% to 30% clay and sand, with 5% to 10% cement. In colder, wetter climates, a silicate-based waterproofing agent is often incorporated. Walls are built in layers, or lifts, where one foot of material is placed into formwork and compressed to six inches using a pneumatic tamper. The forms, typically made of HDO plywood and lumber, are about 20 inches wide and 4 feet tall. When constructing walls longer than a single panel, a recess on one end of the first panel allows the subsequent panel to interlock, ensuring structural integrity. Conduit for plumbing and electrical wiring must be planned precisely, as these cannot be altered once the wall is erected. Rammed-earth walls are typically dry and load-bearing within 24 hours, exhibiting compressive strength comparable to concrete, usually between 1600 psi and 1800 psi for 2-foot-thick walls. Rammed earth is particularly effective as a thermal mass, absorbing and storing solar radiation during the day and re-radiating it at night. This property helps maintain consistent indoor temperatures and humidity levels, reducing reliance on mechanical heating and cooling systems. Many modern rammed-earth homes are hybrids, combining rammed earth with other construction methods like stick or timber-frame walls, or even straw-bale construction for upper floors. Cross-laminated timber (CLT) panels can also be used for roofs. Wong frequently integrates rammed earth for interior partition walls as well. A case study highlights a single-family home designed by Wong in a rural, woodland setting. This home incorporates Passive House strategies, maximizing the thermal mass of rammed earth, harnessing southern light, and utilizing cross breezes for passive ventilation. The effective natural cooling eliminates the need for mechanical air conditioning, and the house consumes only about 20 kW of heat annually. The exterior walls, composed of 530 tons of material with two 6-inch wythes of rammed earth sandwiching 6 inches of insulation, benefit from locally sourced materials, resulting in exceptionally low embodied energy. Recycled wooden formwork was also repurposed for interior use. Beyond energy efficiency, rammed-earth walls offer soundproofing qualities due to their thickness. The absence of organic matter in the material prevents mold growth, contributing to superior indoor air quality. Sylvia Cook, principal of Aerecura Rammed Earth Builders, emphasizes that the thermal mass benefits are equally significant in both hot and cold climates, stabilizing internal temperatures. The technique remains a fringe method in many regions, including Canada, primarily due to a lack of awareness and specific building codes in North America. While other countries like Australia and New Zealand have formalized codes, in Canada, practitioners demonstrate compliance by showing rammed earth's similarity to concrete or concrete block, often incorporating rebar in colder, wetter climates and recycled polyiso insulation to minimize thermal bridging. The aesthetic appeal of rammed-earth walls is characterized by earth-toned striations, created by adding pigment to the cement and allowing the ramming process to push colors to the visible outermost layer. The amount of material in each layer can be varied to enhance these natural color patterns. While complex designs with curved or angled walls can increase costs due to the labor-intensive nature of the method, Wong has successfully applied rammed earth to affordable housing projects by simplifying the design and formwork. Test cylinders filled with rammed earth are used to measure psi before and during construction to ensure engineering code compliance. #RammedEarthConstruction #SustainableBuilding #GreenBuilding #ThermalMass #EnergyEfficiency #DurableHomes #EcoFriendlyMaterials #ArchitecturalDesign #PassiveHouse

This article discusses the evolving role and design of fireplaces in modern homes, drawing insights from four Martha's Vineyard-based design and construction companies: Jill Neubauer Architects Inc., Breese Architects Inc., Vineyard Hearth, Patio, and Spa, and South Mountain Co. The experts highlight various aspects of fireplace design, from initial considerations to current trends, material choices, and the differences between gas and wood-burning units. Jill Neubauer emphasizes the fireplace's central presence in a room, traditionally acting as the home's anchor. Peter Breese highlights the importance of masonry work on the fireplace surround. Patricia Giumarra notes a trend towards linear, contemporary, and clean designs, moving away from traditional styles. John Abrams from South Mountain Co. points out the growing popularity of fireplaces located outside the conditioned space, such as on screened porches, offering a campfire-like experience. Regarding trends, the experts mention the rise of metal and linear units, as well as modern Scandinavian wood stoves. Gas fireplaces are gaining traction due to their convenience, while wood-burning fireplaces are still valued for their traditional craftsmanship. An emerging building code requires fireplace doors for new construction, prompting homeowners to upgrade existing doors for both aesthetic and functional benefits, such as heat retention. The discussion also touches upon the roles of designers and architects in fireplace projects, with architects typically dictating placement and dimensions in new construction, and designers focusing on aesthetic choices and material selection within those parameters. The article also addresses the flexibility in fireplace sizing, noting that while there are minimum code requirements, various proportions can be achieved, including taller-than-wide fireboxes to project more heat. Common materials for surrounds include slabs of stone, concrete, rusty metal, and blackened steel, while fireboxes often use standard firebrick. The experts discuss the integration of local materials, such as beach stones or shells, acknowledging that while some historical examples exist, modern designers generally prefer a more refined approach, letting specialized masons incorporate such elements artistically. The experts observe a mix of fireplace overhauls, simple updates, and new construction projects. Gas fireplaces, with their adaptability, are increasingly being built into walls and not limited to flush floor installations. Fireplace design has evolved significantly from simple square boxes to offering a multitude of options, driven by popular design shows and an increasingly educated clientele who bring specific visions to designers. While traditional fireplaces served as central heating elements, modern designs often involve kit fireboxes clad in chosen materials, allowing for greater design flexibility and installation in smaller spaces. Despite these changes, a preference for authentic materials and real fires remains among some architects, while others appreciate the innovation and expanded possibilities that modern technology brings to fireplace design. #FireplaceDesign #HomeInteriors #ArchitecturalTrends #HomeRenovation #InteriorDesign #GasFireplaces #WoodBurningFireplaces #BuildingMaterials #CoastalHomes

Fusion Architecture, PLLC undertook a comprehensive deep energy retrofit for an affordable housing project in Patchogue, New York, focusing on a 1970 single-story ranch. The project aimed to create an affordable, comfortable, and healthy living environment for residents, particularly those with low income, relying on public assistance, and experiencing health-related issues. The design adheres to the US Department of Energy's Zero Energy Ready Homes Program, mandating compliance with Energy Star 3.0, EPA's Indoor AirPLUS, and WaterSense requirements. This ensures a clean and energy-efficient living space, reducing the financial burden of utility costs for residents and improving their overall well-being. The renovation involved a full gut interior, upgrading key structural and environmental elements. The exterior walls were insulated with dense pack cellulose and 1.5 inches of Polyiso rigid foam, complemented by a house wrap and fiber cement siding, creating a durable and energy-efficient envelope. The roof received two layers of 2-inch Polyiso rigid foam insulation, while the unvented attic featured 6 inches of open-cell spray foam, achieving an R-48 insulation value. The foundation was improved with 2.5 inches of Polyiso rigid foam on the interior and elastomeric waterproofing. High-performance vinyl double-hung windows with an R-5 rating were installed, and air sealing achieved a tight 1.92 ACH 50, significantly reducing air leakage. For mechanical systems, the project incorporated an Energy Recovery Ventilator (ERV) for fresh air exchange and a 95% AFUE wall-hung boiler for hydro coil heating, paired with a 16 SEER air conditioning unit. Hot water is supplied by a solar thermal evacuated tube system with a 120-gallon tank and backup. Energy efficiency extends to lighting, with 100% CFLs, and all appliances are Energy Star certified. A 7.8 kW photovoltaic system was installed to generate renewable energy, further reducing the home's carbon footprint. Water conservation is addressed with EPA WaterSense certified fixtures. Additionally, the project utilized no-formaldehyde wood, aging-in-place fixtures, and zero VOC paints, promoting a healthier indoor environment. This project had a significant community impact by transforming a previously blighted residence. The house was intentionally designed to blend architecturally with the surrounding neighborhood, ensuring seamless integration and acceptance while preserving the privacy of residents. By drastically reducing utility costs, the residents can spend their disposable income within the local economy. The green construction methods and healthier indoor environment reduce illnesses, thereby lowering taxpayer-assisted health costs. The use of durable materials like cement board siding, along with photovoltaic panels, solar hot water, WaterSense fixtures, and Energy Star appliances, contributes to reduced carbon emissions and grid load, representing a positive investment and asset for the community. The project received the Grand Prize in the Affordable Housing Category of the 2015 US DOE Innovation Award. Fusion Architecture, PLLC, the firm behind this project, is a full-service architectural firm specializing in comprehensive planning and development services for community service agencies. They focus on quality designs with functional and aesthetic relevance, incorporating environmentally sustainable and green building principles. Their staff includes LEED AP, BPI, RESNET HERS Raters, Green Globes, NGBS Green Verifiers, SPFA Independent Building Envelope Inspectors, Certified Thermal/Infrared Thermographers, NYC Special Inspectors, NYS Licensed Building Inspectors, and CSI CDT professionals. Fusion Architecture is also a certified MBE Firm. #DeepEnergyRetrofit #AffordableHousing #ZeroEnergyReadyHomes #EnergyEfficiency #SustainableDesign #CommunityImpact #GreenBuilding #SolarEnergy #IndoorAirQuality

Blend Projects, a British Columbia-based company, offers prefab homes, including tiny cabins and larger residences, focusing on healthy, toxin-free materials. Founded by high school friends Simon Fyall and Richard Egli after realizing a need for architecture that harmonized with the natural surroundings of British Columbia, the company utilizes crisp gabled homes constructed from eight-foot-long cedar-sided glulam sections. Their approach aims to blend custom home benefits with the efficiency of prefab construction, minimizing waste and resources. The company manages the entire process from design and permitting to site works, building, and final occupancy, and has plans for national and international expansion. Blend Projects' base model starts at approximately $290 USD per square foot, a price that encompasses everything above the concrete slab, including design, finishes, fixtures, appliances, doors, windows, electrical, HVAC, lighting, and plumbing, excluding only site works and foundation. The homes feature standing seam metal roofs made from steel and natural cedar cladding, which is darkened with a low-VOC, formaldehyde-free stain. Interiors showcase kitchens equipped with Fisher & Paykel appliances and matte black cabinetry finishes, alongside lighting from brands like Graypants, Muuto, A-N-D Light, Barter, and Wesco. Wall panels are fabricated from MDF and finish-grade plywood in Blend Projects' Nanaimo workshop, and aluminum-framed windows from Pella are strategically placed to promote cross ventilation, complemented by skylights and clerestory glazing. Clients can customize various design elements, including the entire floor plan, window specifications, and door locations, with options for multiple stories and interconnected structures. While the underlying glulam beam structure is fixed, the building system allows for expansion and contraction in eight-foot sections. The company also offers numerous upgrades for fixtures, finishes, and appliances, ensuring flexibility to meet client visions. For their two-story models, upstairs floors are paneled with engineered hardwood, and bathrooms feature matte porcelain tiles from Canadian supplier Ames Tile. Additionally, Blend Projects offers the installation of solar arrays and water catchment systems. The process from contract to completion is targeted for one year, with actual construction taking around eight months once permitting is secured. The company has successfully completed various projects, with the Flanagan Residence on Salt Spring Island highlighted as a significant early success. This project, built for a growing family on a challenging lot, not only satisfied the clients but also led to one of them becoming the head of sales for Blend Projects, showcasing the company's commitment to client satisfaction and building community. Currently, most projects are within British Columbia, with one in Toronto Island, and expansion plans include other parts of Canada and the Pacific Northwest. Blend Projects emphasizes its full-service approach and its team's deep connection to nature, which influences every aspect of their work. The company positions itself as a champion of the prefab movement, providing homes that combine bespoke design with the inherent advantages of prefabricated construction. #PrefabHomes #HealthyMaterials #SustainableDesign #ModularConstruction #CustomizableHomes #CanadianDesign #EcoFriendlyBuilding #BritishColumbiaHomes

In areas increasingly prone to wildfires, such as Austin, Texas, building fire-resistant homes is crucial for protecting lives, structures, and wildlands. The International Wildland-Urban Interface Code (IWUIC) provides guidelines for constructing structures in Wildland-Urban Interface (WUI) zones to mitigate fire risks. This code is regularly updated and applies to new builds, additions, relocations, and repairs. The article focuses on wood-framed homes and highlights key aspects of the 2024 IWUIC, acknowledging that local building departments have the final say on acceptable fire-resistant designs. The IWUIC categorizes fire-hazard severity into extreme, high, and moderate, based on factors like fuel type, terrain slope, critical fire weather days, water supply for firefighting, and the quality of defensible space. Defensible space, which can be natural or designed, aims to slow wildfire progression and create areas for fire suppression. The code also assigns levels of ignition-resistant construction (Class 1 IR, Class 2 IR, Class 3 IR), with Class 1 IR offering the highest protection. For example, homes in extreme fire-hazard zones with conforming water supplies must meet Class 1 IR requirements, while those in moderate zones with conforming water supplies may follow Class 2 or Class 3 IR provisions depending on defensible space. A critical component of fire-resistant design is the roof and its assembly. Class A-rated roof assemblies, which perform well under severe fire exposure, are mandatory for Class 1 IR structures. Class 2 IR zones require Class A assemblies or approved noncombustible roof coverings, while Class 3 IR zones allow Class B assemblies or noncombustible coverings. Examples of Class A-rated coverings include asphalt shingles, composite shakes, and TPO membranes. Metal roofing, though noncombustible, needs ignition-resistant underlayments to achieve a Class A rating. Underlayments like Owens Corning's Titanium FR and GAF's VersaShield are commonly used. Noncombustible materials like clay, concrete, and slate roofs offer superior protection but require meticulous installation to prevent ember intrusion, especially at eaves, ridges, and valleys. For roofs with gaps where embers can lodge, the roof deck must be protected, often with a 72-lb. mineral-surfaced cap sheet or Class A-rated deck protection products like Type X gypsum sheathing. Eaves, vents, and gutters also require specific fire-resistant treatments. In Class 1 IR and Class 2 IR zones, the underside of eaves must be protected by ignition-resistant materials, fire-resistant treated wood, or materials with a 1-hour fire resistance rating. Open rafter tails are generally prohibited, or only allowed if constructed of heavy timber. Attic vents, gable-end vents, and dormer vents in Class 1 IR and 2 IR zones must be strategically located, covered with noncombustible, corrosion-resistant mesh with small openings (not exceeding 1/8 inch), and designed to prevent flame or ember penetration. Gutters and downspouts must be noncombustible and designed to prevent debris accumulation. For walls and wall assemblies, noncombustible cladding such as brick, stone, stucco, ceramic tile, metal, and fiber-cement provides superior protection. Certain dense tropical hardwoods and fire-retardant-treated wood (FRTW) sidings are also ignition-resistant options. In some cases, a 1-hour fire-rated wall assembly is required, often incorporating 5/8-inch-thick Type X exterior gypsum board or specialized sheathing like Georgia-Pacific’s DensGlass. In extreme fire-hazard zones, the bottom 6 inches of a Class 1 IR wall must be noncombustible or protected with metal flashing where it meets the ground, a deck, or a roof. The article also advises careful consideration for rainscreens and open-joint cladding to prevent ember entry. Windows and doors in Class 1 IR and Class 2 IR constructions must use specific glazing types, including tempered glass, multilayered glazed panels, glass block, or glass with a minimum 20-minute fire rating. While window-frame material is not restricted, many jurisdictions require at least one tempered glass layer. Exterior doors must be noncombustible (e.g., hollow-core steel, fiberglass) or solid-core wood with a minimum thickness of 1 3/4 inches, with glazing requirements mirroring those for windows. Vehicular access doors like garage doors are exempt from IWUIC but may have local sealing stipulations. Porch ceilings and underfloor areas also have specific requirements. If a porch has living space above, its underside and supporting elements must be made of heavy timber, FRTW, or 1-hour fire-resistant construction. Crawlspaces and overhanging projections like balconies must also comply with these "underfloor enclosure" provisions. Deck surfaces in Class 1 IR and Class 2 IR areas must be noncombustible or ignition-resistant, including materials like flagstone, concrete, and Class A-rated composite or hardwood decking. Deck framing in these zones must be noncombustible, ignition-resistant, heavy timber, or FRTW. Undersides of decks over steep descending slopes require enclosure with walls meeting house exterior wall standards. Detached accessory structures within 50 feet of a habitable building in Class 1 IR and Class 2 IR zones must have ignition-resistant exterior walls or be constructed with 1-hour fire-rated materials. Automatic sprinkler systems are required in Class 1 IR areas to contain internal fires. The article emphasizes the importance of consulting local building officials due to the complexity and potential for interpretation in building codes, concluding that despite restrictions, resources are available to design and build attractive and safe homes in wildfire-prone regions. #WildfireResilience #FireResistantDesign #WildlandUrbanInterface #BuildingCodes #ConstructionMaterials #HomeSafety #ArchitecturalDesign #SustainableBuilding

The article explores various ways to decorate fireplaces and mantels for the winter season, offering inspiration for creating cozy and festive atmospheres. It emphasizes that whether one has a traditional fireplace or a digital Yule log, the goal is to infuse warmth and holiday spirit into the living space. The piece compiles a selection of aesthetically pleasing fireplaces from across the web, ranging from classic designs with vibrant greens and opulent ribbons to more subtle arrangements that still evoke the season. Several examples illustrate diverse decorating approaches. One features an eclectic display of dried palms, serving as an unconventional yet clever substitute for traditional holiday greenery. These palms are complemented by dried protea, which introduce a touch of warmth and contrast with a matte black mantel, creating a dramatic visual effect. Another approach highlights the importance of meticulous detailing for a holiday-centric mantel. This involves incorporating metallic accents to add shimmer and layering various textures. Suggestions include using cozy stockings, strands of garland, and even neatly stacked firewood to achieve a dynamic and inviting finish. For those seeking a departure from the conventional red and green holiday palette, the article suggests a more dramatic and pared-back Scandinavian-chic style. This can be achieved with a prominent wreath positioned above the mantel and a few votive candles, demonstrating that less can be more in creating an impactful holiday statement. An example from Everygirl co-founder Alaina Kaczmarski showcases a bright and festive mantel that integrates traditional elements like a pine garland, wreath, string lights, and classic stockings. The design achieves a timeless yet fresh look, with an ornate mirror above the mantel contributing to its sophisticated appeal. A creative and minimalist take on fireplace decor involves a custom-made neon sign, which compensates for the absence of numerous festive adornments. When paired with a tidy stack of birch logs, this setup evokes the ambiance of a Scandinavian cabin, demonstrating how modern elements can be integrated into traditional spaces. Another illustration features a beautifully adorned mantel alongside an illusion of a snow-capped Christmas tree. The delicate blue shade of the adjacent built-ins helps the surrounding decor stand out, contributing to the overall modern aesthetic of the room. A cozy minimalist approach is presented with a wood-burning fireplace flanked by parallel stacks of fresh-cut logs. Despite the absence of a prominent mantel, a modest wreath maintains the style, proving that simplicity can be equally effective. For non-traditional holiday decor, oversized tinsel paper stockings are suggested as a playful and creative alternative. This idea encourages stepping outside conventional decorating norms to add a unique touch. A boho-inspired marble mantel is transformed into a rich holiday scene using lanterns, tinsel, bottleneck trees, and copper string lights, offering numerous detailed elements for inspiration. This example emphasizes layering different textures and light sources to create a captivating display. An untraditional fireplace, such as a wood-burning stove set on a chic brick platform, is also featured. In an Upstate New York home, this stove is complemented by a whitewashed backdrop and a nearby Christmas tree, with a bare wreath placed high above the stove completing the picturesque winter scene. Finally, for those without a real fireplace, the article suggests constructing a faux fireplace using wooden slabs. This transforms a plain wall into a festive focal point, especially when adorned with fresh greens, showcasing how creativity can overcome architectural limitations to achieve a desired holiday atmosphere. #FestiveFireplaces #WinterDecor #MantelDecor #HolidayInspiration #CozyHome #ChristmasDecor #HomeDecorIdeas #InteriorDesign #SeasonalDecor

This comprehensive guide explores the benefits and features of gas fireplace inserts, offering insights into their types, efficiency, and installation considerations. Gas fireplace inserts provide the aesthetic appeal of a real flame without the upkeep of traditional wood-burning fireplaces, making them an attractive option for both new constructions and renovations. They are significantly more efficient than traditional fireplaces, converting 70% to 99% of fuel into heat for the room, compared to 5% to 10% for open fires, leading to reduced heating costs. The article delves into the different classifications of gas fireplace inserts, primarily distinguishing them by their venting mechanisms: vented (natural vent or direct vent) and vent-free. Natural vent systems utilize existing chimneys, while direct vent systems offer more flexibility with horizontal or vertical venting options, suitable even without an existing chimney. Vent-free models, known for their ease of installation and high efficiency, operate without an external vent but require an oxygen depletion sensor (ODS) for safety due to potential carbon monoxide release, with local building codes varying on their legality. Fuel types are also discussed, with natural gas being a more economical and convenient option due to direct piping, while propane (LPG) offers a hotter burn but is more expensive and requires tank storage. Many modern inserts are dual-fuel compatible, allowing for conversion between natural gas and propane. The guide emphasizes the importance of British Thermal Unit (BTU) ratings for determining heating capacity, with a general recommendation of 20 BTU per square foot of living space, though actual coverage can vary. Several key features enhance user experience, including various ignition types like electronic ignition, millivolt, and piezoelectric systems. Thermostatic control allows for automated temperature maintenance, and remote controls, some with variable flame settings or integration with smart home systems, add convenience. Optional ambient lighting can further improve the aesthetic appeal. The guide advises potential buyers to verify what components, such as louvers, screen doors, and blowers, are included in the purchase price, as these can significantly impact the final cost. Highlighted advantages of owning a gas fireplace insert include superior heat generation and lower fuel consumption compared to open fires, straightforward installation, and user-friendliness. They provide immediate warmth, can be thermostatically controlled, and are simple to clean. The article also addresses frequently asked questions regarding electricity requirements for operation, the possibility of installing blower kits, toxicity levels of fumes (emphasizing the importance of ODS and annual professional inspections), and the varying depths of inserts available on the market. #GasFireplaceInserts #HomeHeating #EnergyEfficiency #FireplaceTypes #HomeImprovement #HVACSystems #HomeSafety #InteriorDesign #ApplianceReviews