Intumescent Pipe Collars/Closers are designed to maintain the fire resistance of fire rated walls and floors where these are breached by continuous plastic pipes. They can be used for internal use in gypsum, masonry and concrete walls and with concrete floors.Each pipe closer consists of a Red/Silver coated circular steel shell that splits in two to fit around the service penetrations by means of a simple 'slide-lock' system.The steel shell contains a graphite based reactive material which reacts when exposed to heat closing the openings left by the softening plastic pipe in fire. This provides up to 4 hours fire resistance, with fire classifications of up to 240 minutes for both integrity and insulation.Smaller pipes can be fitted within larger closers with the benefit of accommodating pipes that are at an angle or if the opening around the pipe is too large.Certified for PVC-U, PVC-C, PE, LDPE, MDPE, HDPE, ABS, SAN+PVC and PP pipes and a wide range of composite plastic pipes.CE Marked and available to suit pipe sizes from 32mm up to 315mm.
Fire Rating of up to 4 hrs
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Provides up to 4 hours fire resistance.
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