I am new at this.
I am trying to find out which products can provide me with a 1 hour fire rating in caulking and foam. I am having a hard time finding "1 hour" on any of the product info. from 3M and DAP. Anyone with any advice?
I went to the 3M site, and it's not as good as it was in years past.
But these products are to be used as an assembly. What are you trying to do? Pipe thru a 1- hour wall? Wall top? Wire? These questions need to be answered before you can find the applicable technical publication
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