Cracked new caulk - tile backsplash


Old 12-11-06, 08:16 PM
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Cracked new caulk - tile backsplash


I put some caulk (Polyseamseal tub and tile) between the backsplash and my butcher block countertop and after just a couple of days, the caulk is cracking ??? I tooled it with a sponge and some water. I have no idea why this might be the case? The joint has to be flexible as butcher block does expand and contract. Is there something I might have done wrong (and not realizing it)? I know silicone is more flexible but it is so hard to tool correctly that I do not want to use (I know I will do a mess). Am I using the wrong product?

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Old 12-12-06, 08:26 AM
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You probably used too much water when you smoothed it out. You don't really want to get the caulking wet, just have enough moisture on the sponge [or rag] to cleanly smooth the joint.
Old 12-16-06, 01:58 PM
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look nimalex even if silicone is hard to handle here is a tip to do a very clean job.
Cover the two surfaces ( in your case the backsplash and the butcher block) with masking tape living just for a both side a 1/4 of inch .
Place the silicone with the tube and then with a very small teaspoon in one shot clean the excess stuff left by your silicone tube.
The teaspoon will give you a nice and smooth inside groove.
Go with a dump sponge if you have to, you'll have the masking tape to protect the area from a mess.
Remember to pull the tape right after finishing it before it dries.


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