How To Lay A Plywood Floor Over Concrete

However a new concrete floor contains a lot of moisture.

How to lay a plywood floor over concrete.

Learn how to install beautiful hardwood floors over a concrete slab. Treated plywood to the concrete with concrete screws spaced every 16 in. Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. Alternatively screw rows of treated 1x4s to the concrete 16 in.

After installing a vapor retarder if necessary cut your plywood. It looks like a sheet of dimples or very large bubble wrap. 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.

I don t remember what it is called but it comes in a roll 6 ft by 50 ft. 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. So you need to allow it to cure for at least 60 days before even bothering to check the moisture level. For flatness and clean the slab install the vapour barrier install the sleepers position insulation panels screw in the plywood subflooring suggested products.

Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. How to install a glued subfloor over concrete. Lay down 3 4 inch plywood and then follow the directions above. Concrete slab with plywood sub floor 1 1 2 inches or more height allowance.

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. Don t glue the plywood to the concrete. Moisture levels in concrete floors.

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