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P.J.
P.J., General Contractor
Category: Home Improvement
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Experience:  Various construction experiences, both good and bad, allow me to help others solve their home improvement issues.
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I had my bathroom shower tiled floor to mid wall. The grout

Resolved Question:

I had my bathroom shower tiled floor to mid wall. The grout at the bottom corners is tight (very little radius) and seem to have some cracks in it. Should I use a matching grout caulk at the corners? I want to keep water from getting in, but also worried that I'm keeping any water from escaping that might penetrate elsewhere along the wall tiles, wall corners, etc., since it is porous. I did put a sealer over it, but I guess I was thinking who knows...
Submitted: 10 months ago.
Category: Home Improvement
Expert:  P.J. replied 10 months ago.

Legacy Built :

Grout is not going to be water tight no matter what you do. You are correct in your thought that water will penetrate. Do you know if there was a waterproofing membrane of any type installed behind the tile? If so then I would recommend fixing the cracks with grout and re-sealing. If not, then that may be a whole other subject and the caulking and grout sealer on the existing may be your best hope of slowing the water down. Caulking will certainly work and if you're happy with the look then I say use it. You will not trap the water as it will weep down the wall, through the corner, and under the floor tile as it would have if your grout hadn't already been cracked. I hope this makes sense and helps you with your decision. Please let me know if I can be of further assistance. Thanks for using JA!

Customer:

thanks. yes the guy that put it in put in a pan and painted everything w some red membrane stuff. i would prefer to do nothing since its low on the floor and not so noticable. so you really think i can just leave it?

Customer:

i know you said not watertight no matter what but i figure much more water would get in at any cracks in the corners.

Legacy Built :

Yes, the Redguard membrane you have works well. You should be fine. Take care.

P.J., General Contractor
Category: Home Improvement
Satisfied Customers: 321
Experience: Various construction experiences, both good and bad, allow me to help others solve their home improvement issues.
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Expert:  P.J. replied 10 months ago.
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