Everbuild Pyro Mate Firesil White C3Everbuild
Pyro Mate Silicone is a neutral cure elastic silicone sealant which conforms to BS 476 Part 20/EN1366-4 (2006) for fire retardancy and has a fire rating of up to 4 hours in certain joint configurations.
Acoustic rated to BS EN ISO 140/3 standards. Tested for air permeability to EN13141-1 standards. Performance tested for components/products that are suitable for residential ventilation.