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How to Seal Your Drafty Windows for Less Than $50

Drafty windows are a common household issue that can significantly impact comfort, energy efficiency, and even introduce unwanted pests or moisture into a home. The human body is particularly sensitive to heat loss caused by cold breezes from air gaps, making drafty windows a noticeable source of discomfort. Beyond personal comfort, these air leaks contribute to wasted energy, allow the infiltration of bugs and air pollution, and in some cases, can lead to rot and mold within the window frame due to moisture intrusion. While homes typically have numerous air leak points, windows are often the most immediately perceptible due to their direct interaction with occupants' living spaces. Sealing drafty windows is an accessible DIY project, often completable within an afternoon for under $50, making it a cost-effective improvement for homeowners and renters alike. This effort yields benefits year-round, not just in colder months, by improving insulation and preventing air exchange. The article outlines two primary methods for addressing drafty windows: a more aesthetically pleasing approach involving caulking and weatherstripping, and a quicker, albeit less attractive, method using shrink-wrap. The 'pretty way' focuses on sealing gaps around the window frame (jamb and casing) with caulk and then applying weatherstripping to gaps directly within the window sashes. This method targets the inherent air permeability of typical American window assemblies. It explains that caulk applied to the seams where the window jamb meets the casing and the casing meets the wall effectively stops air leakage into the living space. The article notes that existing sealant may degrade over time, leading to new drafts, and provides a simple test—holding a wet finger near a gap on a cold day—to identify areas needing re-sealing. It also recommends specific products: DAP Alex Plus All Purpose Acrylic Latex Caulk Plus Silicone for versatility, a quality caulking gun like the Newborn 930-GTD Drip-Free Hex Rod Cradle Caulking Gun for ease of use, and the Anvil 4-in-1 Sliding Caulk Tool for smoother finishes. For gaps larger than a quarter-inch, low-expansion foam is suggested over caulk. For sealing gaps around the window itself, Frost King Silicone Weatherseal is recommended for its durability and adaptability. The 'fast, ugly way' involves applying shrink-wrap to windows, an effective temporary solution that creates an insulating air pocket. This method is particularly useful for older, single-pane windows or for renters who need a reversible option. While it restricts window operation and blind adjustment, it significantly reduces drafts and functions similarly to a temporary storm window. The Frost King Window Insulation Shrink Kit 4-Pack is highlighted as a suitable product. The installation typically involves adhering the plastic film to the window casing or, more effectively, to the wall outside the casing, and then using a hairdryer to shrink it taut. This method is temporary and usually requires reinstallation each winter. The article concludes by emphasizing that while more comprehensive exterior sealing and foam insulation within the assembly are ideal, these interior solutions offer a significant and accessible buffer against the discomfort and inefficiencies of air leaks for minimal cost and effort. #HomeImprovement #DIYProjects #WindowSealing #EnergyEfficiency #DraftyWindows #HomeMaintenance #Caulking #Weatherstripping #ShrinkWrap #HomeImprovement #DIYProjects #WindowSealing #EnergyEfficiency #DraftyWindows #HomeMaintenance #Caulking #Weatherstripping #ShrinkWrap
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