Use a T-square to mark the cut lines on the plywood.
Cut the plywood to size, running the circular saw across the width of the board.
Using the original sub-floor nails as a guide, mark the floor joist locations on the wall to know where to insert the screws.
Lay the plywood in place on the floor.
Run a chalk line off the floor joist to mark the wall. Then, drive deck screws every 8 inches along the line.
Bring in the cement board and lay it down on the plywood (Image 1). Screw the cement board into the plywood about every 6 inches (Image 2).
We love to DIY. You love to DIY. Let's get together.
Browse a full list of topics found on the site, from accessories to mudrooms to wreaths.
Get video instructions about kitchens, bathrooms, remodeling, flooring, painting and more.
Don't miss your favorite shows in real time online.
First Look: HGTV Smart Home 2018