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Does anyone have experience with a concrete waterproofing product called Xypex? If so, do you think it would work on an existing stucco building?
Thanks —
— J.S.
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I have used it but first I want to know why you would want to seal stucco? I used it maily to seal water holding tanks.
*The reason for wanting to seal stucco against water is that when this building was built (1926), the moisture barrier they used was a sort of paper. It was probably supposed to be tar paper, but whatever it was, it was the wrong stuff. It's disintegrating, and now there's no moisture barrier. Rain soaks through the stucco and into the framing bays.One option is to put on one of those thick gloppy tex-cote type "twenty times thicker than paint" systems. I'm hoping Xypex will work better, look better, and be easier to match for future additions.-- J.S.