Foundation Repair Case Studies: Pier Installation Saves Collapsing Midland, MI Home

Wednesday, August 26th, 2015 by Amanda Waldmann

Challenge

A house sits on top of its basement which usually consists of four walls and a slab floor. The basement walls are supported by the slab below. When that slab starts sinking, the walls can lose their tension support and start bowing in, creating the crack that led this homeowner to call us.

This customer's catalyst to call Ayers was a stairstep crack that formed on their wall. They knew it wasn't something good but had no idea of the severity of the situation. He wasn't expecting to find out his house was basically collapsing under him!

Unfortunately, that's what was happening. The basement was salvageable as we always find a way to solve the problem, but it was going to be a lot of work.

Solution

This customer didn't want to do the full project in one swoop, which we understood. It's hard to come up with the time and money to dedicate to restoring an entire basement. We worked with them to develop a plan that would correct the uneven floors and collapsing walls. Our System Design Specialist worked with the customer to break the project into manageable pieces. He created a plan to make the most vital repairs immediately, and then complete one wall in each upcoming year until the project is complete.

Phase 1 involved stabilizing the foundation on the side of the worst wall. First, two PowerBraces were installed to stabilize the wall itself, preventing it from further bowing. In addition to strengthening the walls, the PowerBrace systems also allows for the potential of straightening the walls over time.

Next, we went outside, and installed six helical piers to the foundation. Piers are drilled down into the soil and, when they reach a depth where they are anchored in stable soil, they are attached to the foundation of the house. This way the weight of the foundation is borne by the piers and not the unstable soil formerly causing the foundation to sink.

Once the foundation was stabilized, the excavated soil was put back in place. Then we went back inside and installed three SmartJack support jacks to support the floor joist system. The floor had previously been uneven due to the failing wall and sinking foundation, but with those secure it was possible to level the floor above.

The project is far from over, but with the carefully designed plan and monitoring of the foundation, we will be able to restore the basement walls and prevent further sinking or, worse, collapse.

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Ayers Basement Systems
2505 S. Waverly Hwy
Lansing, MI 48911
1-517-731-0784
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