Delta Curtain Wall
Delta®-CW is manufactured from mineral wool bonded together with a high temperature binder. It is thermally efficient, semi-rigid commercial insulation. With a high melt point of over 2000°F, this product is recommended for fire containment in curtain wall systems. Installed as part of spandrel wall fire rated assembly, Delta®-Curtain Wall prevents fire from breaking through exterior curtain walls for hours. It is produced at actual densities of 4lb/cubic foot & 8lb/cubic foot with an optional strong foil-reinforced vapor retarder.