basement flooring

gerry422July 28, 2013

I live in Ontario and would like to know what type of flooring should go over my subfloor.
I have installed Platon dimpled membrane on the concrete floor and am wondering if I need to use the OSB grooved flooring overtop it or can I butt plywood sheets against one another. Do the 4x8 sheets need to be screwed down or not. The Platon is screwed down.

I plan on installing carpet on top of the flooring.

I suspect OSB is the right choice but I do have several sheets of 3/4 inch plywood which would do part of the job. If OSB what size would be best?


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The Platon doesn't have to be screwed down, but the subfloor of OSB or plywood does. The minimum thickness of the OSB/plywood subfloor is 7/16".

The only finish flooring over Platon that doesn't need a wood subfloor is laminate, which goes on top of its own underpad.

See link.

Here is a link that might be useful: Installing Platon as a subfloor (PDF}

    Bookmark   July 28, 2013 at 2:47PM
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