Hilti Firestop Acrylic Sealant CFS-S ACR (310ml)

• Hilti CFS-S ACR is a flexible, acrylic-based sealant designed for passive fire protection. • Provides up to 4 hours of fire resistance in tested joint configurations. • Suitable for sealing gaps and joints in walls and floors where fire integrity is required. • Adheres well to a variety of construction substrates including concrete, masonry, plasterboard, and metal. • Cures to form a tough, paintable surface. • Supplied in a 310ml cartridge for use with standard sealant guns. • Meets EN 13501-2 fire classification standards.