Pavestone rockwall small 4 in.
10 foot high retaining wall.
Once the excavation is done i ll need a 10 foot retaining wall.
An average brick retaining wall that is 30 feet long and 4 feet high without any built in steps or extra reinforcements is typically around 4 220 the average homeowner will pay 35 per square foot and spend between 2 450 and 6 650 to build a retaining wall.
How to build a retaining wall.
My plan for the retaining wall is to dig holes 6 feet deep by 12 inch diameter full with concrete and plant 18 foot 4 inch steel square tubes with a 1 4 inch wall every 8 feet.
The slope is about a 50 degree angle.
46 5 face ft.
A 4 foot high 15 foot long wall could be holding back as much as 20 tons of saturated soil.
Follow the block manufacturer s instructions for wall height limits.
If you re building a retaining wall then check out our retaining wall calculator.
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.
Consider getting several professional estimates to get the best labor cost and find the right company for your project.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
For example a 10 x 10 wall using a 16 x 8 x 8 block will require an estimated 120 blocks and cost about 185 for material.
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.
Pecan concrete retaining wall block 144 pcs.
Use the plan design menu above to check out all of the information we have on how to build.
There are many things that need to go into building a retaining wall before the first shovel of dirt is ever moved.
Then bolt steel flat slats about 6 inches wide to the tubes.
With forces like these in play you should limit your retaining wall efforts to walls under 4 feet tall 3 feet for mortarless stone.
Double the wall height to 8 feet and you would need a wall that s eight times stronger to do the same job.