I moved into a newly remodeled home. The walk-in shower walls are grouted. Now the corners have started to crack.
How do I slow down the cracking? Should it be caulked, or would that be a bad idea?
How to stop grout in the corner of a shower from cracking
bathroomgrout
Related Solutions
You should not be regrouting between changes in surfaces unless it appears that your grout has damage or significant age.
A lot of people will say that this change of surface should never be grouted because it will almost always crack like yours do to wall or house movement. I disagree and I usually grout these areas... but I know there will be a crack and it will be eventually need to be caulked which is fine.
Buy a sanded caulk that matches your grout. Caulk the grout crack. You do not want a heavy amount. The more caulk you put on this the more of a chance it gets damaged through cleaning and the more you will have to recaulk. Your grouting cracks are normal - builder should have mentioned that this may happen but maybe he was hoping for the best.
I seriously doubt that you will remove the dye from the grout using any method. Your best bet is to pick up a grout saw at lowes or home depot for about seven dollars that has a diamond blade on the end. You will be able to use the pointed end to file down the small amount where the gray overlapped( if that's what happened). IF it was too wet and these colors bled, then file down into the grout where it bled, mix your grout a little tacky instead of loose and touch up the edge.
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Best Answer
The corners of the shower walls should never have been grouted in the first place. Corners are the most subject to movement and thus the most likely to crack, so they get caulked, not grouted.