Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Making a concrete block wall.
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.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Lay out your concrete block in a dry run spacing it with 3 8 inch plywood spacers.
Cost can add up quickly especially if you re a novice and have never attempted a concrete block wall installation before.
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.
I would strongly recommend you hire a licensed and insured concrete block wall contractor to perform the installation for you.
Use a measuring tape or gps equipment to ensure that your wall is long enough.
Lay out the wall and excavate the slope and the footing trench.
Follow the block manufacturer s instructions for wall height limits.
Take up the block and spread mortar on the footing.
Of compacted base 1 in.
Learn how to build a low wall from concrete breezeblocks.
Remember to check out the full diy construction video on our website.
Use a chalk or string to mark the layout of the proposed cinder block wall.
How to build a concrete wall figure a.
Concrete block wall total average cost per square foot.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
After the wall is marked place the cinder blocks as close as you can to the proposed wall to facilitate the installation.
Of leveling sand and half the height of the first course of blocks.