
How To Build Interlocking Retaining Walls
Interlocking retaining walls rely on a series of flanges or pins and grooves that fit into one another. These interlocking wall blocks are simple to lay and strong — even without mortar. With each course fitting snugly into the one before, this is an ideal system for retaining wall contractors. Process Involved to Build an Interlocking Retaining Wall Lay Out Wall Measure out where you’ll place your wall and create the trench for the first layer of interlocking wall blocks. Run a piece of a line along the length so that you can properly align each block.










