How to Build a Treated-Wood Retaining Wall

No heavy timbers—build this sturdy retaining wall with lightweight, off-the-shelf treated lumber

Required Tools for this Project

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

  • 3-lb. hammer
  • Tape measure
  • Circular saw
  • Socket/ratchet set
  • Adjustable wrench
  • Bucket
  • Drill/driver, cordless
  • Level
  • Drill bit set
  • Extension cord
  • Hearing protection
  • Wheelbarrow
  • Stapler
  • Safety glasses
  • Sawhorses
  • Spade
  • Paintbrush
  • Utility knife

Air powered framing nailer, Gloves, Mason line

Required Materials for this Project

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

  • Galvanized joist hanger nails
  • 2x6 green treated lumber
  • 2x6 brown treated lumber
  • 2x8 brown treated lumber
  • 5-1/2 in. x 3/8-in. hex head bolts with 2 washers and a nut (6 sets)
  • TS18 Twist Strap
  • 16d hot-dipped galvanized nails
  • Landscape fabric
  • Sand
  • 1x2 stakes
  • 1 gal. wood preservative

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