New answers tagged caulking
Backer rod and sealant is appropriate for joints between dissimilar materials such as that pictured in the question. Preparing the brick surface, correctly sizing the backer rod, and properly installing the sealant may all play a role in long term performance of the system. Select the sealant for your application based on manufacturer's literature. The ...
Correctly sized backer rod, a bond breaker, and properly applied sealant is the appropriate way to handle the joint between dissimilar materials with different coefficients of expansion [both thermal and moisture] such as wood trim and cement plaster.
I've always heard that there should be a small gap between the tile and the tub, and that gap should be filled with silicone caulking. I found this video really helpful for getting a perfect bead of caulk around the bathtub. It involves setting up some tape to use as a straight edge, and using a plastic spoon to smooth the caulk (instead of the normal ...
Goof off works excellent when you put it on your finger and wipe the silcone bead clean.
If you want to re-try grouting, try with a latex additive in it. Sometimes you need to add it yourself when mixing the mortar. The latex is supposed to add flex to the mortar so changes in space, like between wall, cement board, window etc. due to slight movements from temperature or moisture changes will not cause it to crack. Please note, I only say ...
I had this problem the other day. What you could do to keep it looking nice is fill the cracks in with more grout so that it looks perfect and then put clear caulk over top or dig out all that grout and caulk it with white caulk. There is special caulk that is mildew resistant made specifically for the bathroom.
That should have never been grout, joints between walls and other objects should be caulked because movement in those joints will cause the cracking that you now see, and the cracking can lead to water getting behind the tile. This also goes for inside corners in a shower, and the joint between bottom of the wall and the floor or tub..
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