New and updated UL systems
We have 3 new metal membrane penetration systems live on the UL directory website: Through-penetration Firestop Systems C-AJ-2679 F-A-2235 F-A-2277 F-C-2408 W-J-2266 W-J-2324 W-J-7071 [...]
 FIRESTOP 101: Basic Firestop Training Learn the fundamentals of firestop, from containment to control and everything in-between. Over 1200 Tested UL Systems On-Site [...]
FIRESTOP SEALANTS 1000 Intumescent Firestop Sealant 350i Intumescent Firestop Sealant MC 150+ Firestop Sealant 950 Water-Based Sealant 835+ Firestop Silicone Sealant FS 900+ Series [...]