A garden retaining wall of up to 400mm high can be built out of a single skin wall of facing bricks or concrete block.
How to build a concrete block retaining wall uk.
Of leveling sand and half the height of the first course of blocks.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Our concrete block retaining walls can be used to construct a range of retaining wall structures from 1 0m to 6 0m.
A wall any higher than this needs to be thicker and there are several ways of achieving this.
Learn how to build a low wall from concrete breezeblocks.
The first step in building a concrete block wall is to lay out the foundation using stakes and masonry string.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Concrete block retaining walls.
Remember to check out the full diy construction video on our website.
Higher walls can be constructed using geo mats to construct reinforced earth walls.
Retaining wall structure is commonly constructed to retain earth mass or back fill materials.
Construction of concrete block retaining walls with step by step process materials advantages applications and its construction inspection are discussed.
To create a flat area in front of the wall the process involves cutting back or notching into the slope then building a retaining wall to hold back the remaining hillside behind the wall.
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.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
How to build a concrete wall figure a.
For a freestanding landscape wall this involves creating a simple rectangular outline of the planned foundation.
Fill the concrete cores with crushed gravel.
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.
Lay the first course staring at one end place the first course of concrete blocks top side up on the crushed rock with the front lip facing up and towards the front of the wall.
Of compacted base 1 in.
This is often the method used where the slope is quite steep.
Check the level and alignment of all blocks as you go along adjusting them with a rubber mallet.