CRL 3/8" Sof® Rod - 3600' Case Butyl Rubber Sealants UL 1479 Firestops

UL 1479 Firestops

and a Flat Edge Scraper

Empty the ENTIRE container onto a piece of glass or a plastic surface and mix the oils into the putty until a uniform mixture is produced

CRL Angle Shot Bent Nozzles fit virtually any caulking cartridge by sliding over the existing nozzle

32629 for 5 Minute Activation

CRL 3/8" Sof® Rod - 3600' Case Butyl Rubber Sealants UL 1479 FirestopsEasily Conforms to Joint Irregularities Non Gassing if Damaged No Moisture Absorption CRL Sof Rod is a state of the art sealant backing material combining the best properties of both open and closed cell backer rods in a single, trouble free product. Sof Rod is a continuous length of extruded polyolefin foam made with a non absorbent outer "skin" and a highly resilient interior network of open and closed cells. Sof Rod will not out gas if ruptured. It