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Concrete floor finish over wood subfloor?

Posted by mpednault (My Page) on
Sat, Sep 18, 10 at 22:03

I really want the look and feel of acid etched/stained concrete in the foyer of my yet to be built home. Would a thin layer of concrete work in for this application? Since im still designing my house I can beef up the engineered floor trusses to accommodate the added weight. Can I just pour concrete right over the advantech T&G plywood subfloor?

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RE: Concrete floor finish over wood subfloor?

My garage built on a side hill has two floors. From the front of the garage, it looks like a single story garage with triple garage doors. But this is really the second floor. The garage floor is a special concrete mix using pea gravel approximently three and a half inches thick. This was poured directly on a 3/4" T&G subfloor built over engineered floor joists 12" OC. (lots and lots of rebar over thick poly film, also) Although I chose to simply smooth finish the floor, any finish could have been applied, including stamped, acid etched/ stained finishes. The floor has been in place nearly six years and, so far, so good.
Good luck.

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