Special characteristicsFire-resistant painter's caulk with up to 4 hours fire resistance. Prevents the penetration of fire and smoke Intumesces from 120°C Paintable after curing Very easy to apply Permanently elastic after curing Colorfast and waterproof after curing Very good adhesion to many porous materials ApplicationsFire-resistant and smoke-tight indoor applications. As part of the 'Soudal Fire Range' for penetrations and joints. Sealing of fire-resistant joints in walls and ceilings. Fire-resistant filling of cracks and fissures in concrete and plasterwork. Applications where the sealant may need to be painted with water-based paints and varnishes. Included as standardFirecryl FR Grey 600ml Documents Sealant Guide