List of featured suppliers of CAVITY CLOSERS Window Openings on Building Products Index
Cavity closers, window openings refer to the materials used to fill the gaps around windows in a building's walls. These materials are installed during construction to prevent drafts from entering the building and to increase the energy efficiency of the structure. The cavity closer is typically made of foam or rigid plastic and is placed between the window frame and the wall, while the window opening refers to the actual opening in the wall where the window is installed. Proper installation of cavity closers and window openings is important for maintaining the integrity of the building's insulation and ensuring a comfortable, energy-efficient indoor environment.