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Winterize Those Drafty Windows Now (Save Money on Heating Bills Later)

As winter approaches, addressing drafty windows becomes crucial for maintaining a comfortable indoor environment and reducing heating costs. This guide outlines a two-pronged approach to effectively seal windows: exterior caulking and interior weather stripping. By implementing these methods, homeowners can prevent cold air infiltration and warm air leakage, leading to significant energy savings. The initial step involves preparing the exterior of the windows for caulking. This includes meticulously scraping off any existing old caulk or peeling paint from around the window frame. Tools such as a metal putty knife or, more efficiently, a 6-in-1 painter’s tool with its specialized scraping blade and pointed tip, are recommended for this task. The painter's tool is particularly useful for removing hardened caulk from narrow cracks. After removal, the surface must be thoroughly cleaned of dirt and dust using soapy water and then dried completely. Following preparation, a fresh bead of exterior-grade caulk is applied around the window's perimeter. The caulk creates a continuous seal between the window frame and the siding or exterior trim boards. Recommended caulk types include 100% silicone sealant or siliconized acrylic caulk, both known for good adhesion and long-term flexibility. Silicone caulk requires mineral spirits for cleanup, while siliconized caulk can be cleaned with water. Once the exterior caulking is complete, the focus shifts to the interior for weather stripping the window sashes (the movable parts of the window). Various types of weather stripping are available, each with distinct application methods and benefits. Adhesive-backed foam, a compression-type weather stripping, is easy to install by peeling and sticking. It compresses to seal gaps when the window is closed. It can be applied to the edges of sashes or directly to the sill and head jamb. Tubular rubber-gasket weather stripping, similar to foam but hollow or foam-filled, also relies on compression for sealing and can be self-adhesive or require fasteners. Foam-filled versions offer better shape retention. Spring V-Seal, made from polypropylene plastic or metal, is a tension-seal weather stripping. It springs open to create tension against the window frame, blocking air passage. Plastic V-seal can be cut with scissors and often has a peel-and-stick backing, while metal V-seal (available in copper, aluminum, bronze, and stainless steel) requires aviation snips and is typically nailed in place. V-seal is versatile and can be used on vertical sides of double-hung windows, horizontal meeting rails, and vertical side jambs of casement or sliding windows. Felt weather stripping, one of the oldest types, is affordable and easy to install as a compression seal but has a shorter lifespan, requiring replacement every four to six years. It comes in rolls, with or without adhesive backing, or with a metal mounting flange. For a temporary yet effective solution, window insulation kits utilize shrink-wrap plastic to cover the entire window. The plastic adheres to the interior casing with double-sided tape and is then sealed with a blow dryer. While highly effective at blocking drafts, these kits prevent the window from being opened until the plastic is removed in warmer weather. Finally, an additional tip for double-hung windows involves optimizing sash lock placement. Most double-hung windows have a single sash lock in the center. By unscrewing this lock and reinstalling it one-third of the way in from one side jamb, and then adding a second sash lock one-third of the way in from the opposite side jamb, homeowners can create a tighter seal when both locks are engaged. This comprehensive approach ensures maximum draft prevention, enhancing home comfort and energy efficiency throughout the winter months. #Winterization #WindowInsulation #EnergyEfficiency #DIYHomeImprovement #Caulking #WeatherStripping #HomeMaintenance #HeatingCosts #DraftProofing #Winterization #WindowInsulation #EnergyEfficiency #DIYHomeImprovement #Caulking #WeatherStripping #HomeMaintenance #HeatingCosts #DraftProofing
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