Capital Intumescent Sealant 310ml tube, BS 476 part 20:22 Can be used in expansion joints and will provide an expansion ratio of 7.5% Easy to use Fire rating up to 4 hours Protects against fire • Sealing irregular gaps This adaptable intumescent mastic carries a 4 hour test report and is perfect for sealing irregular gaps behind frames etc. It comes in a standard 310ml cartridge suitable for use with a skeleton gun. The material is water based and therefore suitable for dry applications only.
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