When modified and/or accessorized properly, the same insulation board providing thermal resistance may serve as an air, weather, and/or vapour barrier. Select foam plastic insulating sheathing (FPIS) products merge all barriers and the wall...

Due to the variety of cladding materials available today, and designers’ penchants to combine styles and textures, it is essential to specify building envelope controls, such as gypsum-integrated water-resistive barrier-air barrier (WRB-AB) sheathings, which...