I spent 12 hours examining Google Searches, locating many "seller/manufacturers" wares, but I hoped to correspond with an actual user to verify the (many) manufacturers claims.
-Brett
I need advise regarding installation of a 2-hour (level 2) firewall to be installed on the unobstructed "Interior" of an Exterior wall 18-feet hight by 150-feet long inside a Metal building on concrete slab built in 1998.
The interior wall is: Exposed veritcal steel beams on 25-foot spacing...