5 Best Of How To Build A Wood Post Retaining Wall Free Download. Shovel concrete around the post and fill to within 50mm 2 from the top of the hole. Cut your posts six inches longer than the depth of your holes plus the height of the retaining wall.
Plan the Retaining Wall. Place stakes at either end of the front edge of the wall. Shake the post repeatedly slightly back and forward having a vibrating effect to enable the concrete to flow evenly under and around the post.
Day 2-4 are spent installing the remaining courses of timber and an optional cap.
The scrap should be twice as long as the hole is wide. Choose the straightest pressure-treated posts for the upright support beams. Excavate the bottom of the slope to create a level base for the wall. Remove Soil and Dig a Trench Lay out the wall excavate the soil behind it and dig a trench 8 inches deep for the first course of timbers.