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Discussion Starter · #1 ·
I’m turning a garage into a workshop. I plan to cover the concrete floor to cushion my old bones and joints. I’ll lay furring strips in one direction only, so air can circulate. I won’t fasten the furring strip to the concrete.
I’ll screw 3/4” t &g plywood to the strips.
My question is, should I put a vapor barrier directly on the concrete?
Thanks in advance for any advice.
 

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Discussion Starter · #5 ·
Thanks. Yeah, seems like “lay flat” could be a problem. Specially if moisture from the concrete pad.
In general, moisture isn’t a problem. The entire site is well drained and remains fairly dry. I’m leaning toward the DRIcore suggestion, with no additional vapor barrier.
 

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Remember, moisture comes as a liquid and a vapor which is ALWATS present and passes right through concrete. The reason it looks dry is that vapor passes dierecly to the air. If blocked by a vapor barrier the moisture will accumulate until it matches the soil below the slab. As an oldtime poster used to say, if you have green grass you have moist soil.

Bud
 
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