I’m looking to lay flooring in my basement. Probably carpet. I’ve looked at several subflooring products DriCore and ThermalDry and was wondering if anyone had good or bad experiences with either product? Or, is there another option that’s even better. The basement is dry, no water leaks or drainage issues. The floor area is 30’X60′.
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Consider roll-type products
I recommend you take a look at Delta-FL or another roll-type product as your vapor barrier, then install plywood (or OSB) on top. The little plastic "pips" put your floor above the concrete just like the products you are considering. Advantages: Less expensive than the all-in one products, fewer seams to leak water vapor/radon/soil gasses into the room, and the seams are much easier to seal (overlap and tape, then put down the subfloor).
Andy Engle did a very good article on baselment finishing, including floors. It's well worth a close read. It is at:
https://www.finehomebuilding.com/how-to/articles/no-mold-finished-basement.aspx?ac=ts&ra=fp
Good luck.
:
Basements flood - bet on it. I don't care if you've been flood-free for decades. Water happens - and a basement is just a big bucket.
Preparation iseverything. At a minimum, the floor MUST be at least dead flat and level .... better if it actually slopes towards the sump. Pockets of water even a few millimeters deep will cause horrible mold odors, within a day of forming.
Your best sub-floor is in-the-floor radiant heat. That will quickly dry a wet floor.
Whatever floor covering you select, install it so that you can easily remove it in sections, to take out and dry in the sun.
Wall-to-wall carpet in the basement is just an $11K clean-up waiting to happen.