How To Install Concrete Wonderboard On Plywoood Floor

Learn how to install beautiful hardwood floors over a concrete slab.

How to install concrete wonderboard on plywoood floor.

Keep joints free of mortar. When installing a ceramic tile floor on a concrete subfloor you don t have to worry about flexing as long as the concrete slab is at least 1 1 8 inch thick which most slabs are. Floated subfloor alternate subfloor glue down sub floor and the nail down subfloor system. Install a layer of 5 8 in.

Get a comprehensive breakdown on which materials to use what to take into consideration and what steps to take for four subfloor systems. The various brands of cement board such as hardiebacker durock denshield and wonderboard have become a standard tile backer material for nearly all ceramic porcelain and stone tiles for floor wall and countertop applications. Drywall screws spaced every 6 in. Installing a cement backerboard is crucial when you want a waterproof tile floor that lasts for years without cracking.

Cdx plywood and screw it to the subfloor with 1 5 8 in. Gapped 1 8 at seams. It s available in sheets of many sizes with 3 foot by 5 foot sheets being the most common. Concrete expands and contracts and that type of movement can also crack the tiles and the grout.

However you re not out of the woods. 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. If plywood is not gapped saw cut joints all the way through the plywood sheets. Drywall screws spaced every 4 in.

To achieve the ideal flat surface most contractors rely on the backer board cement backer board is a thin layer of concrete designed to be setting surface upon which tile can be installed. These convenient panels of cementitious board provide an instant flat hard surface that bonds with the thin set adhesives or mortars used to install tile. Tongue and groove plywood or osb oriented strand board. The backer board comes in different sizes and you will pick the right one depending on the type of floor you are installing.

No extra layers of underlayment are required. Floor tiles should be installed over smooth flat surfaces. Remove the particleboard and screw the plywood to the floor joists with 1 5 8 in. Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides.