How to build a cheap retaining wall

What is the cheapest type of retaining wall?

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 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.

How do you build a simple retaining wall?

Build the Retaining Wall

  1. Step 1: Prepare the First Row. …
  2. Step 2: Level the First Block. …
  3. Step 3: Lay the First Row. …
  4. Step 4: Adjust for Level. …
  5. Step 5: Prepare for the Second Row. …
  6. Step 6: Cut a Block to Start the Second Row. …
  7. Step 7: Begin Laying the Second Row. …
  8. Step 8: Add Landscape Fabric.

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 type of retaining wall is best?

Timber and inter-locking-concrete-block walls are great DIY retaining wall ideas. Mortared masonry and poured concrete ones are usually best left to a mason.

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Do I need drainage behind retaining wall?

Drainage. Third, since most retaining walls are impervious, which means water cannot pass through the wall itself, efficient drainage is crucial. When drainage goes unaddressed hydrostatic pressure will build up behind the wall and cause damage such as bulging or cracking.

How deep should a footing be for a retaining wall?

The general rule of thumb is to bury about one-eighth of the height of the wall. For example, if your wall will be three feet (36 inches) tall, the first course of blocks should start five inches below soil level. The gravel base should start three inches below this.

How tall can you build a retaining wall?

Gravity walls can be small (under 4-feet high) or go upwards to ten feet without reinforcement. Municipalities usually require a building permit for walls taller than 4 feet.

When should you build a retaining wall?

You Might Need a Retaining Wall If…

  1. You need a way to control downhill erosion. If mountains of erosion materials are clogging important areas on your property, adding a retaining wall is a wonderful idea. …
  2. Your home is downhill from soil fault lines. …
  3. Your foundation is threatened by a sliding hill.

How do you build a 4 foot retaining wall?

Shovel at least a 4-inch layer of gravel onto the landscape fabric. Grade this layer so it slopes 1 inch for every 4 feet, allowing water to drain away. Then lay in 4-inch perforated PVC drainpipe at the base of the wall and cover it with gravel. Shovel in backfill as you build the wall, one tier at a time.

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How many blocks do I need for retaining wall?

To estimate how many blocks you’ll need per row, divide the total length of the wall by the length of the block. To figure out how many rows you’ll need, divide the ideal wall height by the height of the block. Make sure to account for the first row being half-buried.

How do you install a retaining wall on a slope?

  1. Place the drain pipe at the lowest possible point toward the back of the trench.
  2. Place a minimum of 6 in. …
  3. Excavate the second step up making sure to accommodate for the base material and buried block. …
  4. Place the base course of blocks on the base material and check for level.
  5. Fill the hollow cores and 12 in.

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