3 4 dga or q p is used for road base asphalt and as a base for concrete pavers.
Retaining wall drainage stone size.
300 mm behind the block.
Design and build your retaining wall to slope at a minimum rate of.
Any reinforced wall or walls over 4 ft.
To build a natural dry stone retaining wall prepare the site.
1 2 m in height or with slopes or other surcharges above the wall will need a toe drain.
This common size is also used for many landscaping projects.
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 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.
A retaining wall must have the strength to hold back the weight of the soil plants and sometimes small structures behind it.
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.
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.
The wall gets its.
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.
For proper drainage the first 12 inches of space behind a retaining wall should be filled with crushed stone or gravel.
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.
3 4 there are two options at this size clean and dga.
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.
Lay high quality stones and use a geotextile backing to ensure the wall lasts a long time.
3 4 clean is used for drainage behind walls and is also used as fill and for drainage projects such as french drains.
Just give us a call at 763 568 7251 or submit a message through our quick quote system.
The success of your retaining wall depends on a level base.
Plan for good drainage proper width height ratio and distance between tiers.