Apply an adhesive approved for plywood installation and recommended by the plywood manufacturer.
How to install plywood flooring on concrete.
There are three ways of attaching the plywood to the concrete floor.
Materials include a minimum of 3 4 inch cd exposure 1 plywood subfloor panels 4 foot by 8 foot sheets.
With the popularity of decorative concrete on the rise many people considering remodeling particularly in the northwest feel like it isn t an option for them simply because they have plywood sub floors.
Lay as many of these sheets as you need on the concrete to make the first layer of subfloor.
Treated plywood to the concrete with concrete screws spaced every 16 in.
Then put another layer of 1 2 ply over top of the first layer but at a 90 degree angle.
Alternatively screw rows of treated 1x4s to the concrete 16 in.
They think they are stuck with traditional flooring choices like tile carpet linoleum or.
Cut plywood panels by 2 foot by 8 foot or 4 foot by 4 foot sections.
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.
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.
Score the back of the panels half of the thickness on a 12 inch by 12 inch grid.
Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring.
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.