Proper drainage for a rock retaining wall.
Retaining wall drainage rock size.
6 to 38 mm is the ideal wall rock size.
Our experts are happy to provide solutions for your retaining wall needs.
Over time you ve come to expect a lot out of retaining walls.
However nearly 80 of all residential retaining walls fail at one point or another because of poor drainage.
We refer to the material used for the base within and behind the block as wall rock.
However retaining walls are built with a certain capacity in mind.
With proper retaining wall drainage and construction it can bring a lot of character and function to your landscaping.
Walls should rest on 3 4 minus or bank run gravel with the footer or wall base buried beneath the frost line 6 to 48 inches depending on region.
For a stacked block retaining wall that s no higher than four feet a trench filled with three inches of crushed rock will help keep the wall from shifting and settling.
Why proper drainage is important for retaining wall performance.
They create space in your yard protect your town from flooding and safeguard your bridges from erosion.
Soil becomes saturated and freezes heaving upward and breaking the wall apart.
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After going to all the trouble of building a retaining wall the last thing you need is for it to collapse because of mud and water damage at its base.
For deep frost use concrete block rather.
Good drainage and compaction will add to the quality and performance of your finished wall.
A retaining wall is built to hold back a certain amount of soil.
Retaining walls are a seemingly simple enhancement to any landscaping project.
Retaining wall lacks proper drainage or a footer.
Retaining walls hold up the roads you drive on every day.
Crushed or smooth stone well graded compactable aggregate ranging in size from 0 25 in.
A retaining wall is intended to hold back soil when there is a drastic change in elevation.
The design of a properly built retaining wall resists the force of the soil behind it and prevents caving buckling or leaning.