FlameStopper thru-wall fittings have been redesigned for use in retrofit as well as new construction firestopping applications. The fittings combine built-in intumescent material with a fully enclosed wall penetration that allow wires and cables to be added or removed while maintaining the fire rating of the wall. The retrofit kit includes a split conduit for installations where there is no existing conduit and contains a large firestopped wall plate for irregular openings and a heat shield for existing conduit lengths.


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