Materials out there at a big residence enchancment retailer designed to create a weather-resistant seal round a window set up. It’s usually fabricated from versatile supplies like aluminum, vinyl, or rubberized asphalt and is utilized to bridge the hole between the window body and the encircling wall, stopping water and air infiltration. For example, installers may use self-adhering modified bitumen membrane when integrating a brand new window right into a constructing’s exterior sheathing.
Correct window sealing is important for safeguarding constructions from moisture injury, stopping mildew development, and enhancing vitality effectivity. A well-sealed window reduces drafts and warmth loss, resulting in decrease vitality payments and a extra comfy indoor surroundings. Traditionally, varied supplies have been used to realize this seal, evolving from easy caulking to extra subtle engineered options that account for constructing motion and environmental elements.
