I bought this caulking gun to replace my old one after it stopped advancing the rod (which compresses the caulking tube and dispenses the caulking). The last one I had was also a heavy duty metal frame caulking gun and probably lasted over 10 years. I expect this one to do the same. (Hopefully I can make it a little cleaner than the previous one!) I've used it to smudge bathroom tubs and windows before. Great seal!
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