Follow the block manufacturer s instructions for wall height limits.
Retaining wall installation guide.
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.
Allow 6 8 150 200 mm of space behind the wall for 3 4 clean crushed rock this means your trench is a minimum of 12 or 305 mm wide.
Installing the retaining wall blocks lay the first row of blocks straight onto the base material.
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300 mm behind the wall with wall rock.
Ridgi d i y installation guide step 1.
The edges should be touching when placing the blocks into place.
Choose a paver base with landscape rocks between 1 2 inch and 3 4 inch in size.
How to build a retaining wall introduction dig out a trench that is a minimum of 6 155 mm deep plus 1 for every foot of wall height.
Fill the hollow cores and a minimum of 12 in.
Find everything you need to plan design and construct your retaining wall project.
Installation details for the construction of gravity or reinforced retaining walls.
Planning the retaining wall a locking flange on the blocks for this project makes your retaining wall ideas easier to accomplish.
The lau allows for placement of the rear lip from the unit above.
Top bottom front and back.
Ensure you leave 200mm behind the retaining wall area for backfill.
For retaining walls over 6 feet high 1 8 m or with special conditions for retaining walls under 6 feet high 1 8 m.
Find tips on how to build freestanding and retaining walls how to install columns on freestanding walls and retaining walls and how to cut retaining wall blocks.
Similar to gravel paver base is a form of construction aggregate that contains crushed rocks such as limestone.
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Consult our anchor wall product installation guides and videos below including tutorials and concrete block retaining wall installation instructions.
Install wall rock and backfill materials backfill with wall rock the long anchoring unit lau and short anchoring unit sau can be used together to finish off the top of taller gravity walls.
Due to soil erosion your retaining wall should be built on a solid foundation made from paver base.
As you place each layer make sure it is level on all sides.
Preparing the area clear and level your site where you plan to build the retaining wall.