Neutral Cure, Fire Rated Silicone
FS703 Silicone Sealant is a single-part alkoxy-based fire resistant, elastomeric, neutral cure silicone sealant. Provides up to 4 hours fire protection at internal and external building gaps and movement joints.
FS703 is designed for sealing joints in compartment walls and floors, Gaps between frames and structures, at junctions of different materials.

