What Is The Most Cost Effective Retaining Wall?

What Is The Most Cost Effective Retaining Wall? Treated pine and is the least expensive material. … Hardwood is more expensive than treated pine. … Railway sleepers are another – slightly more expensive – option and are built to withstand ground and water contact. Concrete sleepers are more expensive. How long do treated timber retaining

At What Height Do You Need A Retaining Wall?

At What Height Do You Need A Retaining Wall? On average, most retaining walls are between 3 and 4 feet high. This is optimal because it doesn’t require any anchors, or expensive engineering methods, though in some cases the wall must be higher. Variables that affect the height of your retaining wall include: Extreme heights.

What Do You Put Behind A Retaining Wall?

What Do You Put Behind A Retaining Wall? Backfill refers to the dirt behind the 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

How Do You Calculate Backfill On A Retaining Wall?

How Do You Calculate Backfill On A Retaining Wall? Multiply the length of the wall by the desired height, then divide this number by 81 to determine the amount of backfill gravel needed. Add the backfill amount to the base amount to determine the total cubic yards of gravel necessary for completing the wall. How