Cost to build block retaining wall

How much does it cost to build a retention wall?

The cost of retaining wall materials ranges from $3 to $40 per square foot. Wall block prices fall between $10 and $15 per square foot, while precase, poured concrete runs $20 to $25.

How much block do I need for a retaining wall?

Calculate Number of Blocks Needed

  1. Step 1: Calculate Area. Retaining Wall. Height x Length. Example: 4′ H x 100′ L = 400 sq.ft. of wall. Patio. Width x Length. …
  2. Step 2: Select style and calculate number of blocks needed. Retaining Wall. 7″ round face Londonstone. Area / .78 = # of pieces. Example: 400 sq.ft. / . 78 = 512 pieces. 7″ straight face Londonstone.

How much does it cost to waterproof a retaining wall?

Sealants and epoxies cost as low as $4 to $8 per square foot for professional application. Major exterior basement waterproofing projects can cost between $8,000 and $80,000.

What is the easiest retaining wall to build?

While retaining walls of this type are relatively inexpensive, they can be difficult to repair or remove. For the average do-it-yourselfer, building a retaining wall is easiest when using masonry blocks that will be stacked no taller than three feet, with no mortar binding the stones or concrete members.

Does a retaining wall add value?

Adding a Retaining Wall to Your Home

When it comes to the value of any property, one factor plays a key element – curb appeal. … Not only does a retaining wall add structural integrity to a yard that is sloped, but the right retaining wall can add significant aesthetic value to the property.

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What is the cheapest wall to build?

What is the cheapest retaining wall material?

  • 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.

What can I use instead of a retaining wall?

An alternative to retaining walls are typically metal mesh gabion baskets filled with stones. These present different options for introducing creative elements to your garden and landscaping. Garden walls with stone embankment – plantable. This is a great combination of design and functionality.

What slope requires a retaining wall?

A few things to keep in mind are: What is the slope? If the slope is greater than a 3:1, consult with an engineer. If the slope is over 2:1, it will require structures or special stabilization techniques.

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 many edging blocks do I need?

Divide the length of your perimeter by the length of the type of landscaping block you will be using. For example, if you are using 10-inch blocks, which are 10/12 or 0.83 foot, then you would calculate 125.7 / 0.83 = 151.4 blocks.

What is the best retaining wall block?

Retaining Wall Materials Comparison ChartTYPE OF MATERIALPROSPoured ConcreteStronger than a block wall Variety of design optionsBrickStrong and durableWoodAccessible materials Fairly simple installationDry Stone/BoulderThe most natural solution to grade change

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Why are retaining walls so expensive?

Typically, because a retaining wall requires so much more in terms of leveling, placement, weep holes, and drainage, it will cost more than a landscaping wall. It is possible, however, to build a simple retaining wall using railroad ties that costs less than a landscaping wall made of brick that has built in seating.

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