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 plywood flooring on concrete.
Then put another layer of 1 2 ply over top of the first layer but at a 90 degree angle.
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.
They think they are stuck with traditional flooring choices like tile carpet linoleum or.
Apply an adhesive approved for plywood installation and recommended by the plywood manufacturer.
Screws concrete screws such as tapcons provide for very secure fastening.
Treated plywood to the concrete with concrete screws spaced every 16 in.
There are three ways of attaching the plywood to the concrete floor.
Then put your floating floor on top of that.
Cut plywood panels by 2 foot by 8 foot or 4 foot by 4 foot sections.
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.
Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring.
Lay as many of these sheets as you need on the concrete to make the first layer of subfloor.
Score the back of the panels half of the thickness on a 12 inch by 12 inch grid.
Try to make it so no seams overlap.