I have what I believe are 1 hour fire rated walls in a building. 5/8 dry wall on both sides with non flamable insulation inbetween. What I need to to now is go from the top of the wall to the metal roof. It is a gable roof. What would be the easiest and cheapest way to do this.
thank you
Gregg
I also need 45 noise walls do mine comply?
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