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Intumescent Pipe Collars
Manufactured from a high performance material bonded to the inside of a steel sleeve.
Suitable for when plastic soil and waste pipes pass through fire compartment walls and floors.
On exposure to heat from a fire they rapidly expand inwards to squeeze the collapsing plastic pipe until the aperture is completely sealed.
Tested in accordance with the performance requirements of BS476: Part 20: 1987 & EN1366-3, NHBC Type Approval.