The following window and door installations will change the structure of a building, whether it's a new home or a DIY home renovation. Regardless, the following methods are closely related to house design.
1. Sloping sills: Slightly sloping the sill, water entering it will be directed to the outside.
2. Windshield: Once the windshield is wrapped and tapped down, install the windshield to direct the accompanying water onto the windshield/drain plane.
3. Do not fasten the window by screwing on the spacer. Place the screw above or below and remove the spacer when securing the window. Gaskets have little edge value and are likely to get wet when purchased and installed, so they shrink when dry and allow air to leak out.
4. Air Seal: Low expansion spray foam is usually used around the window, it's good thermal insulation, but it's not flexible enough to withstand normal movement and still provide an air seal. Adding soundproofing strips, caulking, or tying the window frame to rough openings can be an easy step that will further reduce the risk of air leaks between the window frame and the rough opening.
5. Windows: Place windows in rough openings instead of mounting them flush with the outside. Windows installed outside the opening have multiple thermal bridges around the frame. Open windows reduce the risk of condensation by keeping the perimeter of the window warm. An addition that is not always considered is comfort. Thermal bridges and poor quality windows can make it unpleasant to be near an exterior wall on a cold day.
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