Retaining Wall Base Calculator

600 mm wide the length of the wall the depth of the trench will be 6 in.

Retaining wall base calculator.

We recommend making the base twice as wide as the block depth to account for settling. More information on retaining walls where the base trench steps up a slope. Planning a retaining wall. Poured concrete is typically the most expensive followed by wood timber and then stones and pavers.

Follow the block manufacturer s instructions for wall height limits. This professional estimator tool can be used to create multiple projects all of which can be edited and updated if circumstances change. Block walls usually cost 20 30 per square foot which can vary depending on the type of block used concrete block walls can last a lifetime when installed correctly and add beauty to almost any 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.

The wall gets its strength from a sturdy base consisting of gravel. Our easy to use professional retaining wall block calculator was designed to help you estimate precisely how many anchor wall blocks and complementary materials you will need for your next project. Length of the wall in inches x depth of a block in inches x 2 x required depth of the base material in inches required depth of the base material in inches x 0 20 1728 cubic feet of base material. Interlocking concrete blocks are beautiful and designed and structured specifically for use in retaining walls.

The calculation below factors in compaction. 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. The paver base should be at least 2 inches deep when compacted. 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.

See our retaining wall cost guide to find the average price of a retaining wall. Avoid placing the retaining wall where downspouts are pointed to keep standing water from forming inside the wall. Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding. A retaining wall must have the strength to hold back the weight of the soil plants and sometimes small structures behind it.

The retaining wall should be set embedded below grade on a level base of 6 gravel or stone. Before building a retaining wall plan it out. Dig a base trench 24 in. The success of your retaining wall depends on a level base.

Retaining wall base trench. Getting a landscaping estimate will help you plan for the cost of materials and labor to build the retaining wall which will help you save time and money. 25 mm for each 1 ft 300 mm of wall height for the amount or buried block that is needed. When building a retaining wall diy landscapers need accurate estimates on the amount of stone blocks cap stones and gravel needed to complete the project.