STI Fire Barrier Putty Pad, 7-1/2x7-1/2 In., Red
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Questions & Answers
My understanding is that there is one.
However, putty pads similar to this one are a great product to use (warm it up first).
My first impression is that it should be pretty water resistant. It is not intended to get wet, but if it gets on your hand, it will bead up no matter how much water you get on it