How To Lay A Plywood Floor Over Concrete

Alternatively screw rows of treated 1x4s to the concrete 16 in.

How to lay a plywood floor over concrete.

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. So you need to allow it to cure for at least 60 days before even bothering to check the moisture level. Moisture levels in concrete floors.

Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. How to install a glued subfloor over concrete. Don t glue the plywood to the concrete. The cost associated with both options for installing wood over concrete is similar.

I don t remember what it is called but it comes in a roll 6 ft by 50 ft. 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. However due to the cost of the adhesives it can be slightly cheaper to use the plywood method.

Treated plywood to the concrete with concrete screws spaced every 16 in. For flatness and clean the slab install the vapour barrier install the sleepers position insulation panels screw in the plywood subflooring suggested products. There is a product you can buy from your local home depot store for putting under a floor over concrete. After installing a vapor retarder if necessary cut your plywood.

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. When installed correctly your concrete over plywood floor will not permit moisture through will not warp or buckle and will come with all the benefits of concrete in an easy to care for floor. Check your flooring manufacturer s recommendations to ensure you re using a proper subfloor. However a new concrete floor contains a lot of moisture.

Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. Lay down 3 4 inch plywood and then follow the directions above. How to install subfloor sleepers over slab in the basement and other rooms with a concrete floor.