Garden Block Retaining Wall
Pros of Garden Block
Cons of Garden Block
The first step is to mark where you want to build your garden block retaining wall, and dig out the trench about 4 inches deep. Then you will want to establish the levels for the base. Do this by placing wooden pegs of the same length of about 20 to 30cm, and hammering them into the base. Next choose one of the pegs and set where you want the top of the wall to be, and then using a spirit level you set the other pegs to the same height.
Once you are happy with the trench and the levels, you need to set up wooden pegs in the bottom of the trench to the height you would like the foundation, then level each one on with a straight edge and spirit level. Then take your concrete mixture (6 parts sand, 1 part cement) and pour the foundation and level it using the pegs. The main purpose of this is to ensure you have an even and level foundation.
This step may depend on where you live and the climate, but for people who live in places that get a lot of rain or snow, you will want to install a drainage pipe behind your wall. Because these type of walls cannot hold a lot of weight, water needs to pass through it without the soil holding all of the weight of the water.
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