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I am fixated on putting down a concrete floor in a second story bath so I can have that acid etched finish look. The floor needs to be built up 1.5″ thick (for plumbing drain reasons) but structurally it can’t take the additional weight of concrete ( at 1.5″ thick concrete weighs about 12# per square foot times 100 sq.ft. equals just over half a ton ). Any ideas for a light weight solution to this problem where I end up with a wearable surface that can accept an acid etch?
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I don't think most of the leveling agents and toppings available take an acid etch finish although I've never looked indepth at that. This would leave you to go the route of a "lightweight" concrete topping which has an average weight of about 7-8 psf per inch.
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I am fixated on putting down a concrete floor in a second story bath so I can have that acid etched finish look. The floor needs to be built up 1.5" thick (for plumbing drain reasons) but structurally it can't take the additional weight of concrete ( at 1.5" thick concrete weighs about 12# per square foot times 100 sq.ft. equals just over half a ton ). Any ideas for a light weight solution to this problem where I end up with a wearable surface that can accept an acid etch?
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Actually, self leveling mortar will work for that acid etched look. A TI job I did 3 years ago for a artsey, Seattle-type coffe house had that look for all the floors. Thing was, the original floor looked really bad so I just poured about 10 tons of the self leveling all over the place. Took three guys the whole day.
Don't know the actual process used, but the owner hired a couple of university art majors as advisors. The floor was finished with a clear coat of ganash, or glace, or whatever it's called. Absolutely fabulous.