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Junior Member
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Jun 3, 2009, 03:30 PM
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Bathtub caulking
Hi,
I have asked this question a short while ago and I am back with the same issue:
[I was doing some caulking work on the bathtub edge. I did it the same way I used to. This time round, something funny happened. Parts of it started coming off during a shower. It was a bit sticky and feels like it was melting. The stuff hardens after it dried up.
I had it left there for over 40 hours before I took the shower. The water may be hotter than usual but that is the same water temperature I have used in the past. Does anyone know why?]
The new caulk slowly falls off after the shower. I have checked and I don't think there is moisture in the area before I applied the caulk. I have purchased a new bottle of caulk for the purpose. Once the water dries, the caulk kind of hardens.
I am just wondering if the type of caulk that is the source of the problem. Prior to doing it these few times, my wife had applied the clear silicone caulk to the area and it did not look nice. Therefore, I took it off and tried applying bath and tub caulk and as you know, I did it 3 time already and it is not working. I have chiseled the area very thoroughly. I was just wondering if further cleaning is necessary, for example, using solution to completely take out any possible silicon leftovers; although I don't seem to see any or feel any.
Thanks in advance
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Home Repair & Remodeling Expert
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Jun 3, 2009, 03:37 PM
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Not sure what brand of caulk you have or when it was made but I'd ditch that tube. I use Dap Kwik seal plus and have never had any problems. I also never have a tube more than a month old either.
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Junior Member
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Jun 3, 2009, 04:01 PM
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Nothing sticks to silicone except silicone. If there was a coat of silicone caulk then it has to be completely removed or you must continue to use silicone based caulk only.
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Junior Member
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Jun 3, 2009, 04:29 PM
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Originally Posted by ballengerb1
Not sure what brand of caulk you have or when it was made but I'd ditch that tube. I use Dap Kwik seal plus and have never had any problems. I also never have a tube more than a month old either.
I have been using Dap Kwik Seal the last three times.
Originally Posted by topcat6
nothing sticks to silicone except silicone. If there was a coat of silicone caulk then it has to be completly removed or you must continue to use silicone based caulk only.
So, in case I don't completely remove the old silicone, I should just use new silicone. Is GE a good brand? What about the texture, if it applies? My wife was using the clear silicone and I will of course use the white one.
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Junior Member
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Jun 3, 2009, 05:12 PM
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Use 100% silicone caulk, for bathroom applications make sure its mold & mildew resistant and GE makes a good Bio one. A old trick for a good pro look is to use blue painters tape and apply it allong the edges. Caulk and run your finger to smooth it out then remove the tape immediately prior to the caulk setting or you will pull the caulk out.
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Junior Member
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Jun 4, 2009, 03:30 PM
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Originally Posted by topcat6
use 100% silicone caulk, for bathroom applications make sure its mold & mildew resistent and GE makes a good Bio one. A old trick for a good pro look is to use blue painters tape and apply it allong the edges. Caulk and run your finger to smooth it out then remove the tape imediatly prior to the caulk setting or you will pull the caulk out.
Do I need to use solution or alcohol to clean up the area super well?
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Junior Member
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Jun 4, 2009, 06:36 PM
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Careful, certain chemicals can effect the finish on some tubs. Cast iron or acrilic?
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Junior Member
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Jun 5, 2009, 07:05 AM
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Originally Posted by topcat6
careful, certain chemicals can effect the finish on some tubs. cast iron or acrilic?
I don't know what they are made of. They are just regular tiles and tub from the builder.
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