How To Build A Landscaping Block Wall

Dig a trench as wide and deep as the manufacturer recommends.
How to build a landscaping block wall. This is a ten minute how to build a wall using inexpensive formed concrete blocks. Get the first course of landscape retaining wall blocks right. Of space behind it. The trench needs to be 5 inches deep plus the height of the block and as wide as the block.
Make the trench wide deep and level. Dig a trench for your landscape block wall. Retaining walls can be made form landscaping timbers but these may require extra engineering work and are probably best left to professionals. Add several inches of sharp gravel or rock dust to the bottom of the trench and use this layer to do your final leveling and tamping.
Build a long lasting block retaining wall. If your wall goes across a slope you can dig a series of stepped trenches so that only one course of blocks is below ground. Lay out the wall with batterboards and mason s line. Step 3 creating the block garden wall.
Remove blocks and reset on 1l8 inch bed of. Use a flat edge shovel to dig out the soil. Call 811 to check for buried utility lines before you dig. For the last two rows of full blocks apply concrete adhesive to the wall block tops then set the next row of blocks in place.
Building a block garden wall is easier if you use surface bonding cement instead of mortar. Lay a crushed stone base. You will see how you can terrace a hill stop errosion or merely make a raised garden in a hillside by stacking. Tamp down the bottom of the trench using a soil tamper.
Cinder blocks will require mortar and may also require rebar reinforcement. Size the trench so there s enough room for the retaining wall block and at least 8 in. Architectural blocks are the easiest to use because they have a built in lip that holds them in place.