The Soudal Fire Silicone B1 FR is a fire rated neutral cure, silicone sealant. Primerless adhesion on all common construction materials (glass, plastics, masonry substrates, metals and wood). High movement capability. Resistant to UV, rain, snow, ozone and many chemicals. High and low temperature resistance. Conforms to all international standards including CE marking. Soudal Fire Silicone B1 FR Features For use in external and internal passive fire protection systems as an elastic joint sealant; installation of fire retardant window and door frames, fire retardant expansion and connection joints, penetration seals. EN13501-1 – Reaction to fire, class E ETAG-026 – Part 1, Part 3 EN1366-4 – Fire resistance, up to 4 hours depending on joint configuration BS476 part 20 – Fire resistance, up to 4 hours depending on joint configuration Weatherproof Highly elastic Solvent Free Virtually odourless Technical Size: 300mlColour: Grey