Inexplicably, my window contractor’s stucco guy has used plaster for the top coat
I had 5 exterior french doors with sidelights replaced with vinyl sliding glass. The house is all stucco, and the stucco was broken back around each removal, as expected and agreed to. But the window/door seller/installer’s stucco guy used plaster for his top coat! So this plaster now has to be removed down to the underlying cement brown coat (which he did right) and then a proper cement top coat put down, preferably by someone who knows how to handle a trowel.
How to best remove this plaster? I’m thinking maybe a wheel of wire or nylon on a drill. Going to make a mess, though. Then how to make sure the new topcoat adheres properly? I fear a plaster residue on the brown coat after removal may cause trouble.
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What do you mean by "plaster"?
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After 5 days of drying, it white, water soluble (see fingers in accompanying photo) and as soft as interior "patching plaster" (easy to scratch with a screwdriver).
Can you have them come back and fix the job?
Working on it. My salesman is going to talk with the owner. My questions for the experts here are what do they think of using a non-concrete top coat for "stucco", and can we wire brush off this non-concrete layer (I'll provide the product name if/when I get it) and get a concrete top coat to adhere?
They can just wash it off with pressure washer. Doing stucco is not easy. I’m surprised that anyone who could do the scratch and brown coats would do something as stupid as using spackle or whatever for what should have been the color coat