| FireMaster® putty is composed of Superwool ® HT, a low biopersistent fiber, organic polymers, inorganic binders and other proprietary ingredients. FireMaster® putty is a pliable, low shrinkage, putty-like material that is supplied wet and premixed, ready for installation by a pneumatically applied system for large areas or hand trowelling for typical Firestop applications. FireMaster® putty is Underwriters Laboratory tested and listed as a Firestop sealant per ASTM E814 (UL1479) in multiple Firestop designs for up to 3 hour F and T- Ratings. UL Follow-Up Service audits provide assurance that the product supplied to the job sites meets the same tight quality standards as the materials supplied for fire testing.Information provided by Morgan Advanced Materials |
