How to Install Tile Backer Board on a Wood Subfloor

Fight seasonal wood movement with a beefy base

Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

  • Cordless drill
  • Tape measure
  • Circular saw
  • Caulk gun
  • Notched trowel

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

  • Construction adhesive
  • 1/2-in. plywood
  • 2-in. screws
  • 1-1/4-in. screws
  • Tile backer board (1/2-in. or 1/4-in.)
  • Thin-set mortar