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For UK users there is no separate seal as such, it's part of the tube itself. The top of the threaded part that goes into the nozzle is cut off using a craft knife.


In a pinch you use the cutter on the side of the caulking gun, but a utility knife should be used if you plan to do detailed work vs just slopping the caulk on. (The puncturing wire on the gun is fine, though, if there is a seal in the cartridge.) To reseal the tube, take a short piece of duct tape and fold it over the tip, with the fold over the end of ...


A knife to cut the tip at the desired spot, and a nail to puncture the seal inside. You'll use the nail later to hold the partially-used tube. I remember as a kid never having any of that built into the caulking gun. Later, when I tried one that had a handy "cigar clipper" thing on the handle, I thought it was terrible, not allowing easy selection of the ...


Yes! the tool is called a caulk gun. Use the spout cutter for cutting off the tip of the tube; then use the seal punch tool for poking holes in the foil seal.


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 ...


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 ...

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