Question: How To Build A Retaining Wall With Landscape Timbers?

How do you anchor landscape timbers?

Pin the Timbers With Rebar (optional)



Secure the timber border to the ground with rebar, if desired. Drill 3/8-inch holes through the centers of the timbers, spacing the holes about 4 feet apart. Pin the timbers to the soil with 12-inch lengths of #3 (3/8-inch-diameter) rebar driven with a hand sledge.

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.

Does a 2 foot retaining wall need drainage?

Although there are exceptions, most retaining walls require gravel backfill, soil compaction, pipe or toe drains, and weep holes. Together, these four features will provide adequate drainage for most designs. Only a few types of walls will not require all of them.

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How long will a railroad tie retaining wall last?

Cons: Limited life span (10 to 20 years) because timbers rot and are damaged by pests. Cannot be used to create curving walls as can concrete and stone.

How long will landscape timbers last in the ground?

Landscape Timber Benefits



Durability: Treated timbers can last up to seven years and plastic can last several decades. Accessibility: Raised beds made of landscape timbers reduce the amount of weeding that needs to be done while allowing for an extended growing season and easier access to the plants.

Is it illegal to use railroad ties for landscaping?

Every EPA site said the same thing about the main preservative in old railroad ties: “Creosote is a possible human carcinogen and has no registered residential use.” So it’s actually illegal to use old railroad ties in a home landscape.

How do you fasten landscape timbers?

You can use a variety of materials to secure landscaping timbers.

  1. Landscape Spikes. Galvanized landscape spikes look like extremely large nails.
  2. Timber Screws. These large screws are similar to landscape spikes but are threaded to ensure a more secure hold.
  3. Rebar.
  4. Deadmen.

What is the easiest retaining wall to build?

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. (For a curved wall, mark instead with a garden hose or spray paint.)

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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What can I do instead of a retaining wall?

Reinforced soil slopes are the most cost-effective retaining wall alternatives. Often times you are using the soil that you already have on hand and do not need to bring in any additional.



  • Reinforced Soil Slopes.
  • Natural Stone Walls.
  • Wooden Timbers.
  • Gabion Walls.
  • Soil Bioengineered Walls.

How deep should footings be for a retaining wall?

A concrete footing should be 100mm deep by 300mm wide if the footing is for a free standing wall. The footing should be increased to 150mm deep and 450mm wide if the wall being built is a retaining wall. For larger retaining walls an engineer may need to be approached for advice.

Does a timber retaining wall need drainage?

Most retaining walls require drainage and are built with a perforated pipe set behind the wall in a gravel base. Because the grade of this yard has a slight slope that will promote water runoff, we can skip this step on this project, but we will add gravel for drainage and back fill with dirt.

How high can you build a timber retaining wall?

Timber Walls



Upside: Only moderately challenging to build by yourself up to 4 feet high. If an engineer has designed the wall, located the deadmen, and specified the backfill and drainage, you can install an even taller wall yourself. Downside: Not as long-lived as masonry.

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