efflorescense
if you want to test this, lick your finger, rub some of the white stuff off and taste it. If it tastes salty, it's efflorescense. If it's somethi...
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over 6 years by imageworkspainting
6
answers733
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hardy plank
Did you paint new hardy plank or had it been previously painted? It sounds like your problem is efflorescense. The alkalinity of the cement is ex...
over 6 years by imageworkspainting
6
answers393
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