Nullifire Intumescent Acrylic Sealant Water-Borne cures to give a firm but flexible fire seal, ideal for use around small annular service penetration seals in walls and floors. It's suitable for use in various construction movement joints up to 15%, whilst providing an excellent acoustic and air seal.This intumescent sealant is suitable in low movement fire rated joints to seal between fire rated coated batts, substrate to penetration service applications and pointing up of penetration seals. Tested in accordance with EN 1366-3, EN 1366-4 and ETAG 026 this sealant can achieve up to 4 hours joint fire resistance. 310ml cartridge, available in White.Benefits:- Fire rating up to 4 hours- Acoustics up to 61 dB- Air seal up to 2,000 Pa - Single sided seal tested- Certifire certificate: CF5347- Ideal for sealing low movement joints- Suitable for sealing gaps up to 50 mm wide- Suitable for rigid and flexible walls- Easily paintable
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310ml cartridge, 4 hours fire rating.
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