Of leveling sand and half the height of the first course of blocks.
Building a retaining wall with interlocking concrete blocks.
Design build manufacturer of interlocking large concrete blocks for gravity retaining walls security walls railroad flood control and containment bins.
Building a retaining wall with blocks from lowe s is easy with these steps.
The success of your retaining wall depends on a level base.
I am building 4 foot high retaining wall using interlocking blocks and struggling with the base.
But it takes skill and planning to construct an attractive wall that can also handle immense pressure shrug off the forces of gravity stand for decades and laugh in the face of mother nature.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Of compacted base 1 in.
Some places lowes say to use paver base.
With both types you don t have to practice throwing mortar or setting block but you will get an attractive addition to your landscape.
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.
How to build a concrete wall figure a.
Incidental water moves easily through a vertical drain that is formed by the layer of wall rock placed behind the block and in the block cores.
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.
Interlocking concrete block is a way to build a strong wall without mortar.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Some such blocks are made with flanges that slip over the rear edge of the preceding course.
I dont want to buy the bags of paver base at lowes because it costs more than going to a quarry.
Follow the block manufacturer s instructions for wall height limits.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Other people say to use road base or compacting gravel.
I dont know what material i need to use.
Others rely on a system of pins.
The dry stack construction technique allows the incidental water to escape by flowing around the blocks and out the.
Get project details for this diy retaining wall here.