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