After you finish the first course fill the space between your retaining wall and.
Put retaining wall on concrete or gravel.
The space directly behind a newly constructed retaining wall should be filled with gravel or sand not dirt.
Position your first block and use a standard level to make sure it s even.
Base course drainage pipe.
A retaining wall holds soil in place and is built of modest materials such as concrete or timber but it s a project that shouldn t be taken lightly.
The first course of block that you lay is known as the base course.
Ensure your retaining wall stands strong for years to come by using the correct type of stones for your project and by choosing a design that works well for your soil and lawn type.
The base of a retaining wall should be set below ground level.
That s right the idea is that you don t open the packaging.
The following points need to be considered when planning your retaining wall installation.
Of compacted base 1 in.
Dirt absorbs water and swells when saturated which will put unwanted pressure on the.
Rather than messing around with mortar they lay the walls down like lego pieces using concrete while it s still in the bag.
Our experts are happy to provide solutions for your retaining wall needs.
Of leveling sand and half the height of the first course of blocks.
If needed reposition it using additional.
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Walls over 4 foot should use geo grid fabric different block designs limit allowable height use filter fabric over wet or dry soil then cover with gravel.
Crucial for supporting the rest of the wall a good base is made of compacted soil and at least a six inch layer of compacted sand and gravel.
Building a retaining wall in the conventional ways above is not a trivial matter.
The taller a wall is the further below ground level it should be set.
For diy purposes opt for manufactured blocks that are.
Basic retaining wall installation step 1.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Second a retaining wall must have properly compacted backfill.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
The leveling pad is the first piece in constructing a stable wall that will last for.
How to build a concrete wall figure a.
Continue laying your first course of blocks making sure to check that every block is level.