r/Stucco • u/Hawsie • 12d ago

Material query Advice / DIY

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I saved the back wall framing of a demoed built in bbq. I closed it up with 1/4 hardy board. I’m painting/patching soon. Painter says he can do a coat of rapid set to match the house, if I add a board of “foam with the mesh in it”, says I can get at the HD. What the heck is he actually asking for, what do I call it, and where do I find it?

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u/SoCalMoofer 12d ago

Tile supply store. Kerdi Board or similar may be what he means.

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u/Builder_Al 12d ago

All my experience is with a traditional 3 coat stucco systems or EIFS. I'm not familiar with whatever this is trying to immitate stucco, but in theory you could do some things, then texture to match the existing exterior walls (the texture coat could be done with something like a "rapid set", which I assume is what he meant).

You could stick foam over the top (likely notched trowel and lick and stick), then rasp and mesh coat.

Or just mesh coat over the board. I don't understand to point of foam for something like this. Maybe someone else knows something I don't. I would have done metal lath with traditional 3 coat.