The wall gets its.
Retaining wall drainage stone size.
Estimating stone and gravel for a retaining wall.
Regardless of the reason why a retaining wall is used it is typically constructed of a material such as brick concrete stone or wood timbers.
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.
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.
A retaining wall must have the strength to hold back the weight of the soil plants and sometimes small structures behind it.
Lay high quality stones and use a geotextile backing to ensure the wall lasts a long time.
To build a natural dry stone retaining wall prepare the site.
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1 2 m in height or with slopes or other surcharges above the wall will need a toe drain.
Any reinforced wall or walls over 4 ft.
3 4 dga or q p is used for road base asphalt and as a base for concrete pavers.
Design and build your retaining wall to slope at a minimum rate of.
300 mm behind the block.
This is so that when water gets into the space it does not become bogged down in soil but instead can flow down the wall to the drains or weep holes.
For proper drainage the first 12 inches of space behind a retaining wall should be filled with crushed stone or gravel.
3 4 clean is used for drainage behind walls and is also used as fill and for drainage projects such as french drains.
The success of your retaining wall depends on a level base.
This common size is also used for many landscaping projects.
In all cases wall rock is located within the cores of the block and a minimum of 12 in.
Plan for good drainage proper width height ratio and distance between tiers.
The toe drain and the wall rock is designed to remove incidental water from behind the wall and is.
Our experts are happy to provide solutions for your retaining wall needs.
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.