It took a day to rip out the old collapsing retaining wall to dig farther into the hill to provide room for the backfill gravel and to help unload materials.
2 foot concrete retaining wall.
Soil is heavy especially when soaking wet from a recent rainstorm so a basic retaining wall four feet tall and 15 feet long potentially has to support up to 20 tons of soil pressure.
The wall we built was a weekend long project and an exhausting one at that.
The block caps should overhang the retaining blocks by 1 to 1 1 2 inches.
If you have your retaining wall built figure about 15 per square face foot for a timber wall 20 for an interlocking block system or poured concrete and 25 for a natural stone wall.
Cover the gravel between your retaining wall and landscape with topsoil or sod so your garden will grow against your wall achieving a natural look.
Materials tools and site.
However it should always be below the seasonal frost line and that often is much deeper in northern climates.
One key aspect of retaining wall construction is preparing a solid footing or foundation.
The cranesville barrier block is the get it done concrete block used for both commercial and residential development.
The preferred block size is 2 x 2 x 6 wide and weighs approximately 3 600 lbs.
The system is used to create vertical stacking walls and is most commonly used for retaining walls bin dividers and soil stabilization.
The footing is usually made of poured concrete but in some situations homeowners may instead opt to simply use tamped earth or a gravel base.
Many variables affect that cost including the design the wall s location on your property and how much concrete contractors in your area charge.
Preparing a troublesome site one that includes clay soil or a natural spring for example can raise costs substantially.
In most cases square footage is the most significant factor in determining your final cost to build a retaining wall.
Interlocking concrete blocks are beautiful and designed and structured specifically for use in retaining walls.
How to build a concrete wall prep work.
Using construction adhesive secure your block caps and create the top layer of your retaining wall.
Concrete retaining wall footing size the depth to the bottom of the base slab should be kept at a minimum of two feet.
Thoroughly planned and ably performed wall construction will help to ensure the retaining wall s stability.