How To Lay A Plywood Floor Over Concrete

Treated plywood to the concrete with concrete screws spaced every 16 in.

How to lay a plywood floor over concrete.

Concrete has moisture in it and your wood will mold and rot over time. So you need to allow it to cure for at least 60 days before even bothering to check the moisture level. I don t remember what it is called but it comes in a roll 6 ft by 50 ft. After installing a vapor retarder if necessary cut your plywood.

How to install a glued subfloor over concrete. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. Don t glue the plywood to the concrete.

Alternatively screw rows of treated 1x4s to the concrete 16 in. Learn how to install beautiful hardwood floors over a concrete slab. The cost associated with both options for installing wood over concrete is similar. It looks like a sheet of dimples or very large bubble wrap.

If you re installing plywood over an existing dry concrete floor you shouldn t have any problem. For flatness and clean the slab install the vapour barrier install the sleepers position insulation panels screw in the plywood subflooring suggested products. Lay down 3 4 inch plywood and then follow the directions above. However a new concrete floor contains a lot of moisture.

Concrete slab with plywood sub floor 1 1 2 inches or more height allowance. As with a floated subfloor nwfa recommends a vapor retarder for glue down subfloors when installing wood flooring over concrete. Moisture levels in concrete floors. Rather than tear out a wooden floor and installing concrete your wooden floor can be turned into a beautiful concrete floor with a concrete microtopping.

However due to the cost of the adhesives it can be slightly cheaper to use the plywood method. How to install subfloor sleepers over slab in the basement and other rooms with a concrete floor. There is a product you can buy from your local home depot store for putting under a floor over concrete.