Backfill with gravel behind the wall to cover the drainage pipe.
How to build a concrete block wall uk.
Advantages of applications of concrete block retaining wall.
It eliminates slopes of earth or earth fill materials.
Construction of concrete.
Build up the wall.
Establish a level trench to ensure an even layer of base material.
Of compacted base 1 in.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Repeat on the other side.
It helps in control of erosion.
The first step in building a concrete block wall is to lay out the foundation using stakes and masonry string.
Of space behind it.
Excavate deep enough to completely bury at least one full course including space for 6 to 8 in.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
It retains backfill materials.
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.
Move slowly to the opposite end continuing to pour.
Butter the ears of the second block in this course and continue laying the block three or four courses high.
Build up the lead on one end of the footing by throwing mortar for the second course and starting this course with a half block.
A wall any higher than this needs to be thicker and there are several ways of achieving this.
Concrete block retaining wall is simple and easy to construct.
It is durable compared to other types of retaining walls.
Stack the second course of blocks on top of the first course making sure they remain level.
Check often for level plumb and square.
Starting in 1 corner tilt the wheelbarrow up by its handles and let the wet concrete drain out of it.
It is cost effective.
Fill the concrete cores with crushed gravel.
A garden retaining wall of up to 400mm high can be built out of a single skin wall of facing bricks or concrete block.
Of leveling sand and half the height of the first course of blocks.
Make the trench wide deep and level size the trench so there s enough room for the retaining wall block and at least 8 in.
Sweep away all debris from the top of the first course of block with a broom.