Lay out the wall and excavate the slope and the footing trench.
Making a concrete block wall.
Lay out your concrete block in a dry run spacing it with 3 8 inch plywood spacers.
Mark all the edges of the course.
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.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
The concrete foundation needed to support a cement block wall is usually created by pouring concrete into a hollow form lining the sides of the excavation trench but the concrete can also simply be poured into the trench a common scenario for construction of a freestanding landscape wall.
Cost can add up quickly especially if you re a novice and have never attempted a concrete block wall installation before.
Concrete block wall total average cost per square foot.
Take up the block and spread mortar on the footing.
Prepare the footing spread mortar and build leads sliding the block over the rebar as needed.
Learn how to build a low wall from concrete breezeblocks.
Push the first block into the mortar until it s 3 8 inch above the footing.
I would strongly recommend you hire a licensed and insured concrete block wall contractor to perform the installation for you.
How to build a concrete wall figure a.
Follow the block manufacturer s instructions for wall height limits.
Use a chalk or string to mark the layout of the proposed cinder block wall.
Of compacted base 1 in.
Use a measuring tape or gps equipment to ensure that your wall is long enough.
Remember to check out the full diy construction video on our website.
After the wall is marked place the cinder blocks as close as you can to the proposed wall to facilitate the installation.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.