DescriptionIntumescent fire collars.JPG English: End view of a slip-on intumescent fire collar for use over a PVC pipe in a fire rated wall as part of...
annuli. Intumescent collars were inverted inside the firestops. The intumescent wrap strips were made of 3M's FS195. The mortar was 3M Fire Barrier Mortar...
sheet metal collar and intumescent rubber strips type 3M FS195. When the plastic pipe melts and burns in a fire, the intumescent will expand and choke...
an intumescent collar because it melts and burns away in a fire. The collar chokes it off. The remaining gap between the concrete and the collar is filled...
DescriptionNortown.jpg Intumescent firestop collar is applied at the bottom of the plastic pipe penetration. The problem is that the slab is not smooth and the fire can...
FS195 wrap strips, either in exterior collars or buried within 3M Fire Barrier Mortar to provide a 2 hour fire-resistance rating. Date 14 April 1995 Source...
