Is Grout Sealer Damaged By Cleaning With Water Pressure?

Colorado Tech

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Apr 20, 2021
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Jesse Dillingham
I just sealed some restroom grout at our facility. I understand the basic precautions and that using solvents, acids, and brushes can damage the grout sealer. What about using a Kaivac to clean the restrooms? It's about 500 psi with a variable degree nozzle, 0 to a pretty wide fan. How much water pressure can a grout sealer withstand? Any advice or experience is greatly appreciated-
 

PistolPete

Well-Known Member
Sep 28, 2014
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Peter Dymond
I just sealed some restroom grout at our facility. I understand the basic precautions and that using solvents, acids, and brushes can damage the grout sealer. What about using a Kaivac to clean the restrooms? It's about 500 psi with a variable degree nozzle, 0 to a pretty wide fan. How much water pressure can a grout sealer withstand? Any advice or experience is greatly appreciated-
Depends on the sealer used.
Any high quality, impregnating sealer will hold up fine with regular cleaning.
Avoid high or low pH and definitely don't use vinegar or bleach.