Making Concrete Retaining Wall Blocks
Check the level and alignment of all blocks as you go along adjusting them with a rubber mallet.
Making concrete retaining wall blocks. When you reach the finished height of the concrete block retaining wall fill those cores containing rebar to the top with mortar. Tall wall excavate a trench deep enough to accommodate 4 to 6 in. Establish a level trench to ensure an even layer of base material. Of compacted base 1 in.
The interlocking retaining wall block can be used to build walls up to 24 to 36 inches high depending on the size of the block. Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on. Smooth the top with a trowel. Begin digging into the ground with a shovel.
After setting the corner block butter the ears of the adjacent block and set it. Of leveling sand and half the height of the first course of blocks. Of space behind it. Spread additional mortar and lay cap block to finish the wall.
Size the trench so there s enough room for the retaining wall block and at least 8 in. Follow the block manufacturer s instructions for wall height limits. Be sure to start alternate courses with a half block. Fill the concrete cores with crushed gravel.
To create a solid foundation dig a trench for the first course of your interlocking retaining wall blocks to sit in and make sure the ground remains even throughout. A locking flange on the blocks for this project makes your retaining wall ideas easier to accomplish. If your concrete wall turns a corner build the corner with alternating corner blocks. Using a tape measure decide the length and the width of your retaining wall then mark off the area with the garden stakes and string.
Start the first leg with a full corner block which is a stretcher block with a finished face on one end. Excavate deep enough to completely bury at least one full course including space for 6 to 8 in.