How high can you stack a retaining wall?
How high can you stack a retaining wall?
The interlocking retaining wall block can be stacked to build walls up to 24 to 36 inches high, depending on the size of the block.
Does a dry stone wall need a footing?
A dry stone wall is built without mortar and with no concrete foundation. As such, the wall is flexible, and can adjust itself as the ground swells and settles with the seasons.
How much stone is needed for a retaining wall?
In order to provide proper drainage, at least 12 inches of granular backfill (gravel or a similar aggregate) should be installed directly behind the wall. Compacted native soil can be used to backfill the rest of the space behind the wall.
What is the best height for a stacked stone wall?
Clay absorbs and holds water and can force your stones to move forward. Three feet is the maximum recommended height of a stacked stone wall built on a clay surface. It is also the stable height of most stand-alone stone walls.
What is the standard thickness of a dry stone wall?
All dry stone walls should be constructed with the thickness equal to one half of the overall height. Walls should be built leaning back toward the slope about 2 inches per foot of height for stability (See Fig. 3). For walls that exceed 2-1/2 feet in height, the use of bonding stones and a drainage system are necessary for long-term stability.
What is the best height for a dry stacked retaining wall?
The ideal height for a dry-stacked retaining wall is 18 to 22 inches—so you can sit on it when your gardening chores are done. Even ifyou don’t plan to sit on your wall, 3 feet is about as high as I would recommend building any dry-stacked wall; higher walls should be engineered for stability.
What is a dry stacked stone wall?
Dry stacked stone walls are usually constructed against a hillside. Though, freestanding walls are stable up to about 3 feet in height. Stone is sold by the ton on wooden pallets. The stone yard will offer delivery service if needed.
