Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
How to build a concrete blocks retaining wall.
Of leveling sand and half the height of the first course of blocks.
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.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Whether you re building a retaining wall or just need some extra privacy a cinder block wall is an affordable way to get the job done.
How to build a concrete wall figure a.
So to make a retaining wall that will last as long as life you should consider going with concrete blocks.
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.
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.
There are materials as well but they don t last long.
Once you ve got your base set up it just takes some finesse in building the wall up and turning corners.
Concrete blocks are ideal for building walls to hold back the soil after you dig into a slope for a pathway patio or another landscaping project block retaining walls are generally the same as freestanding block walls but with a few important differences.
The retaining wall can be made from concrete blocks poured concrete treated time boulders and rocks.
Follow the block manufacturer s instructions for wall height limits.
Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
Of compacted base 1 in.
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.
The success of your retaining wall depends on a level base.