Firestop Collars 101
FIRESTOP COLLARS 101 What you need to know about intumescent firestop collars and wrap strips. In the firestop industry, we have a saying that if a wrap strip or firestop collar can’t do it, nothing can. Although our Firestop-814+ Intumescent Sealant is UL tested for a variety of firestopping applications for up to 3 hours, when it […]
