What Causes Small Pin Holes In Grout After It Is Applied?


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One should wait for at least 72 hours before removing the excess. Also, do not try to scrap it off, use a sand paper to sand it off so you have better control and you will get a smoother finish.

With regards to the pinholes- since it was done recently, it seems that there was air locked in, and as the air passed out of the sealing, you were left with pinholes.

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