Quelfire® QWW Intuwrap prevents the spread of fire, smoke and hot gases through plastic pipes which penetrate fire compartment walls and floors. Suitable for any type of building where a fire compartment wall or floor is penetrated by plastic pipes of 100 - 110 mm overall diameter. STANDARD Specification CLAUSE. Install correct size Quelfire® QWR and QWW. Install in accordance with manufacturer’s instructions. Material tested to BS476-20:1987 to maintain fire resistance of up to 4 hours.
QWW INTUWRAPS should be placed around the plastic pipe using the built-in self-adhesive tape. It is essential that there is no gap between the Intuwrap and the surrounding construction.