Dealing with Horizontal Foundation Wall Cracks | Troy, MI | Basement Waterproofing | Sterling Heights, MI 48310
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  • September

    15

    2018
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Dealing with Horizontal Foundation Wall Cracks | Troy, MI

Dealing with Horizontal Foundation Wall Cracks | Troy, MI

Dealing with Horizontal Foundation Wall Cracks

Have you noticed horizontal wall cracks in your basement? You may be wondering what caused them and what you can do about them.

Causes of horizontal wall cracks

  • Hydrostatic pressure

This is the pressure exerted by the water in the soil. This pressure increases in proportion to the volume of water in the soil and the depth of the surface. The pressure pushes against the wall and causes the formation of cracks. It may also cause the wall to bow inward. This pressure is known to build up, especially after a heavy downpour

  • Increased loading above or next to the foundation wall

This may be caused by adding a building, driveway or packing soil on the ground near the foundation. The weight results in a force that is transferred through the soil and acts against the foundation wall. This can result in inward bowing of the foundation wall.

  • Poor construction methods

Using the wrong materials or methods during construction can result in the foundation wall being too weak to support even normal loads. It cKentwood, MI | Everdry Michiganan also result in a weak point on the wall.

Common repair methods

The most common repair methods for horizontal wall cracks include:

  • Installation of helical piers

These piers are used to provide the basement wall with the extra support it needs. They are screwed into the soil until they reach bedrock. The foundation wall is then lowered onto the piers. The piers hold up the foundation wall to prevent settling.

  • Installation of carbon fiber strips

These strips are also used to provide support for the foundation wall. They are installed on the interior surface of the wall. They are used to prevent further inward bowing of the wall by reinforcing it. They are, however, only effective if the exterior forces (in many cases hydrostatic pressure) are dealt with e.g. through the installation of a French drain.

  • Installation of I-beams

These steel beams also provide additional support to the wall and prevent further inward bowing of the wall. They can also be used to help straighten the wall over time. This method of repair, however, is being widely replaced by carbon fiber strips.

  • Installation of wall anchors

These are used to reinforce walls from the outside. The anchors include a plate that is installed on the wall, and another that is installed in the ground. The two anchors are tied together to provide support to the wall.

 

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