Hello, nice video !. Does anybody know if a Through Penetration of a fired rated wall is also a double Membrane fire barrier penetration of that wall? Thanks.
@dannyvasquez6176
5 жыл бұрын
No mames!
@Swscrapmetal
3 жыл бұрын
With my level 2 NVQ fastly approaching all your videos are helping me gain more insight thanks
Пікірлер: 4