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How to draught proof a window - easy ways to keep heat inside your home this winter

Draught-proofing windows is a cost-effective way to improve a home's energy efficiency and maintain warmth during colder months. Approximately 18% of a home's heat is lost through windows, making them a critical area for insulation improvements. While double glazing can be an expensive upgrade, draught-proofing offers a comparatively cheap and simple solution that often yields immediate results. Before undertaking any DIY fixes or contacting contractors, it is essential to identify the source and cause of the draught. Visible gaps and cracks around window frames, especially when light shines through, are clear indicators of air leaks. Auditory cues, such as outdoor noise, rattling, or whistling sounds during high winds, and feeling cold air, also suggest draughts. Addressing damaged seals between the window and its frame is a common repair, but care must be taken not to compromise essential ventilation routes, particularly in kitchens and bathrooms, to prevent dampness or mould. Understanding the window's style is crucial for selecting the appropriate draught-proofing method. Common types include casement windows (side-hung), sash windows (sliding panels), and fixed glass. Each style requires a specific approach to effectively seal gaps. For instance, sash windows benefit from brush strips, which are similar to those used on front doors and can be bought with self-adhesive backing or installed with pins. Caps can be used to cover keyhole areas in sash windows that might also let in draughts. Considering the condition of existing windows, upgrading the glazing may be necessary if frames are severely damaged or plagued by mould. Replacing old windows with new energy-efficient models ensures proper installation without draughts and reduced heat loss through modern glass. Upgrading single glazing to double glazing can significantly reduce annual energy bills. Various glazing types and heritage-style options are available to match a home's aesthetic, and some companies offer refurbishment services for existing single-glazed windows to incorporate double glazing and updated draught-proofing. For DIY enthusiasts, using foam, metal, or plastic draught strips (weatherstrips) specifically designed for windows is a viable option. Foam tape is particularly effective for sealing gaps in casement windows, but not typically sash designs. When using sealants, it is important to choose a proper window sealant, as silicone can degrade over time. Accurate measurement of the window is vital to ensure the correct size strip is used, preventing issues with window closure or inadequate sealing. An alternative for single-glazed windows, especially in listed properties or on a budget, is secondary glazing, which adds another glass layer. While professional installation is common for secondary glazing, transparent film kits offer a DIY option that can be cut to size and applied with adhesive strips. Finally, enhancing window insulation with thermal curtains or blinds can further reduce heat loss. These products are thicker than standard options and are designed to retain warmth. Closing heavy curtains at night and positioning them to avoid blocking radiators are additional tactics to minimize draughts and maintain a warm living space. Even double or triple-glazed windows can experience draughts if not installed correctly, and thermal curtains or weatherproof strips can be used to address these issues. Common draught-proofing products include wiper seals for uneven gaps, draught-excluder tape for general gaps, and silicone sealant for non-opening windows. All these measures contribute to a warmer home and potential savings on energy bills. #DraughtProofing #WindowInsulation #HomeEnergyEfficiency #DIYHomeImprovement #ThermalCurtains #EnergySavingTips #WindowMaintenance #HomeHeating #DraughtProofing #WindowInsulation #HomeEnergyEfficiency #DIYHomeImprovement #ThermalCurtains #EnergySavingTips #WindowMaintenance #HomeHeating
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