Waterline grout crack…caulk?

mikewatson

Member
Mar 27, 2021
20
Tulsa, OK
Pool Size
30000
Surface
Plaster
Chlorine
Liquid Chlorine
I have several large places where my tile grout is cracking, crumbling, or missing. I’m assuming this is because of movement in the coping concrete. Is there a flexible grout or would caulking be the right way to fix this? Can I use caulking over the existing grout or do I need to remove it all first?

Thanks for all the help!
 

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Clean out the crumbling grout or mortar and regrout. Plan to do it periodically with other pool maintenance.

 
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