SpecSeal Window Wall Gasket is an intumescent rubber gasket embedded with glass fiber mesh designed for edge of slab firestopping in window wall construction. Window Wall Gasket installs between the floor and aluminum framing directly behind the slab closure panel. Under fire exposure, Window Wall Gasket rapidly expands (intumesces) to form a dense, highly insulative char to seal the void against the spread of flames and hot gases. Patent Pending

Features

• Designed for Window Wall and Hybrid Window Wall Construction
• Compatible with common exterior grade sealants
• Installs to top of floor or directly to panel framing
• Tested to ASTM E2307 for Window Wall Assemblies