Retaining Wall Repair in Colorado

a retaining wall installed in Aurora

Retaining walls are common along roadways, parking lots, and bodies of water. Basement walls are also a type of retaining wall — and similar repair options are available for both.

The Problem:

Your retaining wall is showing signs of failure.

What is a Retaining Wall?

Retaining walls serve to retain the lateral pressure of soil. More simply, retaining walls are used to hold back soil and substrate from moving due to the effects of gravity and erosion. Retaining walls are typically designed out of concrete.

Telltale Signs:

  • Tilting Walls
  • Separation of Retaining Wall from Adjoining Walls
  • Forward Movement of Wall or Wall Sections
  • Buckling, Cracked, or Crumbling Walls
  • Rotted Wood

How to Fix It:

We install either a wall anchor system or helical tieback system along the retaining wall to reinforce the structure.

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Identifying Retaining Wall Failure

Signs of a failing retaining wall are usually easy to identify, as shown in the different examples below. The important thing to know is that these symptoms will become increasingly worse over time. Unless proper repairs are made, the wall will eventually fail completely.

Signs Of A Failing Retaining Wall

Most often, a retaining wall will show signs of failure in one of three ways:

Collapsing/Tilting Retaining Walls

Soil issues and/or poor construction are often the culprits for retaining walls that are tilting. This can happen if the footing toe is too small or if the wall wasn’t properly reinforced. Railroad tie retaining walls can begin to collapse due to wood rot or deterioration.

Most retaining walls require drainage “weeps”. If water accumulates behind the wall, this additional weight can cause clay soils to expand, leading to cracks and tilting.

Retaining Walls Separating From Adjacent Walls

Like collapsing/tilting retaining walls, walls that are separating from adjacent walls are often caused by poor quality construction.

A separating retaining wall may not have been designed to withstand the weight that actually bears on the wall. Poor drainage and inadequate reinforcement or connection to the adjacent wall are other possible causes. In unusual cases, expansive soils may also cause a retaining wall to separate from an adjoining wall.

Crumbling/Failing Retaining Walls

Retaining walls can crumble for a wide variety of reasons, most related to improper design of the walls themselves.

Often, the wall was not designed to bear the weight load behind it. In the case of concrete retaining walls, the issue may be inadequate, weak, or poorly mixed concrete.

Concrete retaining walls may also have been designed with inadequate steel rebar, resulting in insufficient strength.


A diagram of a foundation wall anchor system installation

Repairing retaining walls

To repair retaining walls, we at Rod Martin’s Complete Basement Systems typically recommend either wall anchors or helical tiebacks to restore structural integrity. Both wall repair techniques use a strong steel wall bracket on the exterior of the retaining wall to brace the wall and properly distribute the anchor’s clamping pressure.

  • Wall Anchors: Wall anchors stabilize the wall by driving an anchor rod through 1″ holes driven into the retaining wall. These rods are connected to earth anchors that are placed within augured holes within the soil beyond the retaining wall. Once assembled, the wall plate is installed, and the rod assembly is tightened. This can potentially straighten the wall and return it to its original position.
  • Helical Tiebacks: Helical anchors are installed from the exposed face of the retaining wall, through a hole cut in the wall. The anchor’s helical blades help to pull it deep into the soil and anchor it there. After closing the hole in the retaining wall, a wall plate is installed and a nut is tightened over the protruding threaded rod to brace the wall.

Wall anchors are generally the more economical solution to repairing a retaining wall. However, in some cases, wall anchor installation is not a possibility, and helical anchor installation must be considered. This includes situations where rocky soil is an issue, or when space restrictions make auguring a hole beyond the retaining wall an impractical solution. Your foundation repair specialist will be able to advise you on the most appropriate solution for you.

Repair your retaining wall today

At Rod Martin’s Complete Basement Systems, we provide warrantied solutions for foundation wall repair and retaining walls throughout Colorado. If you have a collapsing or bowing retaining wall, contact us online to find out more about how we can help. We offer free estimates on all our work in Denver, Colorado Springs, Aurora, Fort Collins, Thornton, Arvada, Westminster, Pueblo, Boulder, Greeley, and nearby.