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Bowing Basement Wall Repair · Des Moines, IA

Bowing Basement Wall Repair in Des Moines, IA

A basement wall that leans inward is one of the most common foundation problems in Iowa. Wet clay soil gets heavy, freezes and expands each winter, and over the years it can push a block wall out of line.

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How to spot it

A long horizontal crack about halfway up a block wall, stair-step cracks at the corners and a wall that looks curved when you sight along it are the classic signs.

Why it happens here

Saturated soil, frost pressure and downspouts dumping water next to the house all add load against the wall. Block walls are more prone to bowing than poured walls.

Measuring movement

Contractors measure how far the wall has moved from plumb. That number decides whether bracing is enough or the wall needs more work.

Steel beams

Vertical steel beams anchored to the floor and the joists above stop a wall from moving further and are a common fix for moderate bowing.

Wall anchors

Anchors set in the soil outside and tied to plates inside the basement hold the wall and can be tightened gradually over time.

Carbon fiber

Carbon fiber straps bonded to the wall add strength with little lost space, for walls that have moved only slightly.

Severe movement

Walls that have moved a lot may need excavation, straightening or partial rebuilding. That is bigger work and worth an engineer's opinion.

Reduce the load

Extending downspouts and regrading soil away from the wall lowers the pressure that caused the bowing in the first place.

Get an inspection

Send a photo of the crack and tell the contractor how long it's been there. Send a request and a foundation repair contractor will get in touch.

Basement block wall with a crack

Frequently asked questions

Can a bowed wall be pushed back straight?
Sometimes partly, over time, with anchors that are tightened gradually. The main goal is stopping further movement.
Should I worry about a horizontal crack?
Yes, it's worth a prompt inspection. Horizontal cracks in block walls usually mean soil pressure.

Request a foundation inspection

Bowing basement walls, new cracks, water on the floor after a storm. Tell us what you're seeing and we'll pass it straight to a foundation contractor, who will call you to set up an inspection and quote.

  • Basement walls, cracks and slabs
  • Des Moines, Grimes, Norwalk, Indianola and nearby
  • Inspection and quote before any work

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Need bowing basement wall repair in Des Moines?

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Request a foundation inspection
Request a foundation inspection