Things You'll Need:
- Plastic moisture barrier, plywood, compresor, stapler, saw,
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Step 1
Clean the subfloor so it is smooth, you will be installing plywood over the concrete subfloor.Test the moisture content in the concrete.
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Step 2
If the moisture is high you might need to apply the moisture barrier, this is a mastic that comes in the backet you can trwoel it on the concrete. allow to dry.
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Step 3
Unfold the moisture plastic barrier and staqple it to the wall about 3 inches high, this will be covered by baseboards, if the sheet of the plastic is not as big as the room overlap at least 3 feet.
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Step 4
ley the 1/2 CDX-KD plywood in the entire room, leave the space of 1/8 of an each between the each sheet of the plywood.
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Step 5
Put a top layer of the plywood 1/2 thick CDX-KD in the diagonal patterns so the plywood is staggered. Staple the plywood together make sure to use the staple 3/4 not longer so you don't pinch the plastic. You can install hardwood floor over this plywood, this can be solid hardwood floor or engineered.
