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.
Retaining wall drainage diagram.
A retaining wall is intended to hold back soil when there is a drastic change in elevation.
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.
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Sometimes this means that the wall will develop a bulge at this weak spot.
In other cases water pressure behind the wall may cause it to lean outward.
To build a natural dry stone retaining wall prepare the site.
Mar 19 2014 when building a retaining wall lay perforated drainage tubing at the base of the wall slightly above ground level so runoff can drain out without undermining your wall.
A wall that leans into the soil it retains is less likely to be pushed outward by soil pressure than a plain old vertical wall.
Often retaining walls are used to terrace yards that originally had a steep slope additionally retaining walls can help create usable outdoor space as well as control erosion see landscaping a split level home low retaining walls are frequently used as planting beds and can add interest to an.
Although retaining walls are simple structures a casual check around your neighborhood will reveal lots of existing walls that are bulging cracked or leaning.
That s because most residential retaining walls have poor drainage and many aren t built to handle the hillside they re supposed to hold back.
Design and build your retaining wall to slope at a minimum rate of.
Plan for good drainage proper width height ratio and distance between tiers.
Follow the block manufacturer s instructions for wall height limits.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Drainage weight of soil.
When the wall is no longer able to resist the force behind it the weakest part will give.