To lay concrete blocks begin by building a frame with 2x4s and pouring concrete into it to prepare a footing.
How to lay concrete garden wall block.
How to level the gravel base for a block retaining wall part 3 unilock hardscape ucara retainingwall leveling 𝗪𝐚𝐧𝐭 𝐭𝐨 𝐥𝐞𝐚𝐫𝐧 𝐦𝐨𝐫𝐞.
Then spread the mortar on the footing and begin stacking the blocks beginning in a corner.
A garden retaining wall of up to 400mm high can be built out of a single skin wall of facing bricks or concrete block.
A wall any higher than this needs to be thicker and there are several ways of achieving this.
But for diyers retaining wall blocks made of concrete are the best solution.
Bricks can be laid in two skins which can be held together by mesh or built as a 225mm thick wall as shown in the laying bricks project.
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.
Heavy retaining wall blocks the blocks we used in our demonstration weigh 14 pounds each keep the soil at bay with their weight.
Next prepare cement mortar by mixing water and dried mortar in a 5 gallon bucket.
Concrete block is made in so many configurations that you may not need to cut it at all.
But it s the blocks accumulated weight that really does the trick.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
The success of your retaining wall depends on a level base.
Follow the block manufacturer s instructions for wall height limits.
But if you do need to cut a block place the block on sand or loose soil and use a brick set and small sledgehammer to score both sides of the block.
You will see how you can terrace a hill stop errosion or merely make a ra.
Then set the block with its web up and place the brick set on the scored line.
To create a solid foundation dig a trench for the first course of your interlocking retaining wall blocks to sit in and make sure the ground remains even throughout.