Water impervious intumescent firestop collapsing conduit

Details Water impervious intumescent firestop collapsing conduit Water impervious intumescent firestop collapsing conduit

A - Human Necessities

62

C

A62C 35/68 (2006.01) A62C 2/06 (2006.01) F16L 5/04 (2006.01) F16L 55/10 (2006.01)

Patent

CA 2111545

A firestop conduit element is formed of an inner conduit of fusible material surrounded by intumescent material which is contained within an exterior moisture impenetrable barrier. A preferred barrier is an external sleeve, bonded at its ends to the conduit. The ends of the conduit element are coupleable to exterior conduit systems.

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