How To Install Plywood Flooring On Concrete

Materials include a minimum of 3 4 inch cd exposure 1 plywood subfloor panels 4 foot by 8 foot sheets.

How to install plywood flooring on concrete.

Lay as many of these sheets as you need on the concrete to make the first layer of subfloor. Try to make it so no seams overlap. Treated plywood to the concrete with concrete screws spaced every 16 in. Alternatively screw rows of treated 1x4s to the concrete 16 in.

Cut plywood panels by 2 foot by 8 foot or 4 foot by 4 foot sections. Then put your floating floor on top of that. Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. 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.

Screws concrete screws such as tapcons provide for very secure fastening. This requires the use of a hammer drill to create a pilot hole for the tapcons to go into and an impact driver to seat the screws. There are three ways of attaching the plywood to the concrete floor. 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.

Score the back of the panels half of the thickness on a 12 inch by 12 inch grid. Apply an adhesive approved for plywood installation and recommended by the plywood manufacturer.