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3

Duct seal, or similar product, is a common solution. Kneed it until malleable, then mold it in and around the hole like clay. It is nontoxic, paintable, and will stay flexible.


2

A caulk rated for outdoor use should be just fine for this sealing job. If there is any fine particulate in the area left over from drilling through the stucco do brush or blow it away before applying the caulk.


3

safe to use the shower is a relative question. when will it be safe to use it so that its use doesn't compromise the caulking seal? never - it was already compromised the moment you did it that way. caulking shrinks as it dries, and the speed at which it dries changes how it polymerizes. when you make a huge blob of caulking, you seal in much of the ...


2

Answer: there's no way to tell. Caulk isn't meant to fill large gaps (more than 1/2" is one spec I saw, and even that seems wide to me). Even if you waited long enough for the caulk to dry, it's quite possible that the caulk will fail due to the stress of stretching across that gap. The best (and perhaps even quickest) solution would be to clean off all the ...


3

I own a remodeling firm, and this is one of those things that so many get wrong and the manufacturers don't tell you how to get right. There are 3 aspects homeowners never hear: 1. All the old caulk HAS to come off. Squeaky clean. 2. All surfaces and substrates to be caulked need to be dry. Bone dry. 3. Use silicone if you must, but silicone or ...



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