Uncontrolled water weakens walls.
How to build a retaining wall with concrete base.
Building a retaining wall in the conventional ways is not a trivial matter.
So to make a retaining wall that will last as long as life you should consider going with concrete blocks.
There are materials as well but they don t last long.
Of compacted base 1 in.
Rather than messing around with mortar they lay the walls down like lego pieces using concrete while it s still in the bag.
That s right the idea is that.
Add 6 inches of stone then compact it with a hand tamper.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
More information on retaining walls where the base trench steps up a slope.
The retaining wall can be made from concrete blocks poured concrete treated time boulders and rocks.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
600 mm wide the length of the wall the depth of the trench will be 6 in.
That s when walls start leaning bulging and toppling.
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.
But far more frequently it causes problems by building up behind the wall saturating the soil and applying incredible pressure.
Retaining wall base trench.
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.
Back from face of retaining wall.
Using a tape measure decide the length and the width of your retaining wall then mark off the area with the garden stakes and string.
Stretch a level line between wood stakes to establish the wall height.
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.
So diyers have come up with an interesting trick.
Dig into hillside 2 ft.
Steps to building a retaining wall.
Water can weaken retaining walls by washing out the base material that supports the wall.
How to build a concrete wall figure a.
Dig a base trench 24 in.
Add 2 inches of stone dust to create setting bed.
Follow the block manufacturer s instructions for wall height limits.
150 mm plus an additional 1 in.