Without a pressure relief system the weight of the water in the soil would crack or even buckle the wall.
Making a concrete retaining wall.
Materials tools and site.
How to build a concrete wall prep work.
If you want to build a concrete retaining wall you should consider pouring the wall rather than making it out of concrete blocks.
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.
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.
Follow the block manufacturer s instructions for wall height limits.
Block retaining walls are generally the same as freestanding block walls but with a few important differences.
Poured concrete retaining walls can be colored textured accented with embedded objects and much more.
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.
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.
Pouring a concrete retaining wall is not that difficult and this easy to follow how to guide will show you just what to do.
Then pour your concrete inside the form using a chute or hose attached to the mixer.
To form a concrete wall first set up plywood boards on either side of your concrete footer and attach them together with wire.
Here are the steps tom ralston owner of tom ralston concrete in santa cruz ca follows when pouring a retaining wall.