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Everbuild Pyro Mate Firesil White is a neutral cure, elastic silicone sealant conforming to EN1366-4 fire retardancy standards. Offering a fire rating of up to 4 hours in specific joint configurations, this CE marked sealant (ETAG 026 Part 3 and EN15651-1:2012 type F-EXT-INT CC class F 25LM) is ideal for sealing joints, voids, and irregular holes in fire walls, partitions, and other structures requiring a fire rating. Its neutral cure ensures adhesion to most building surfaces (porous and non-porous), maintaining flexibility while offering excellent weathering characteristics for both internal and external use. Suitable for joints up to 50mm wide and 25mm deep. A primer is recommended for most substrates.
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