Materials tools and site.
Making a concrete retaining wall.
A poured wall is much stronger and generally last many more years than a block wall.
Pouring a concrete retaining wall is not that difficult and this easy to follow how to guide will show you just what to do.
Block retaining walls are generally the same as freestanding block walls but with a few important differences.
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.
It took a day to rip out the old collapsing retaining wall to dig farther into the hill to provide room for the backfill gravel and to help unload materials.
To form a concrete wall first set up plywood boards on either side of your concrete footer and attach them together with wire.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
The wall we built was a weekend long project and an exhausting one at that.
How to build a concrete wall prep work.
Here are the steps tom ralston owner of tom ralston concrete in santa cruz ca follows when pouring a retaining wall.
To make the wall as strong as possible pour the concrete in layers no higher than 20 inches working from 1 end of the wall to the.
Follow the block manufacturer s instructions for wall height limits.
Without a pressure relief system the weight of the water in the soil would crack or even buckle the wall.
If you want to build a concrete retaining wall you should consider pouring the wall rather than making it out of concrete blocks.
Then pour your concrete inside the form using a chute or hose attached to the mixer.