File talk:Trap firestop.jpg

Rockwool packing alone inadequate fire stop?
It SEEMS that according to this article, rockwool packing alone is not an adequate firestopping measure. Maybe this file or it's description should reflect on this? 2A02:A453:A18F:1:3D89:B36E:3AF6:6245 (talk) 11:32, 6 July 2017 (UTC)