How To Lay A Plywood Floor Over Concrete

It looks like a sheet of dimples or very large bubble wrap.

How to lay a plywood floor over concrete. Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. There is a product you can buy from your local home depot store for putting under a floor over concrete. However a new concrete floor contains a lot of moisture. So you need to allow it to cure for at least 60 days before even bothering to check the moisture level.

If you re installing plywood over an existing dry concrete floor you shouldn t have any problem. Don t glue the plywood to the concrete. As with a floated subfloor nwfa recommends a vapor retarder for glue down subfloors when installing wood flooring over concrete. After installing a vapor retarder if necessary cut your plywood.

Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. 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. Concrete slab with plywood sub floor 1 1 2 inches or more height allowance.

For flatness and clean the slab install the vapour barrier install the sleepers position insulation panels screw in the plywood subflooring suggested products. Treated plywood to the concrete with concrete screws spaced every 16 in. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Concrete has moisture in it and your wood will mold and rot over time.

The cost associated with both options for installing wood over concrete is similar. 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. How to install a glued subfloor over concrete. Lay down 3 4 inch plywood and then follow the directions above.

Learn how to install beautiful hardwood floors over a concrete slab. Alternatively screw rows of treated 1x4s to the concrete 16 in. Moisture levels in concrete floors.