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Wall & Crack Repair · Knoxville, TN

Foundation Crack Repair in Knoxville, TN

Cracks are the most common reason people call about a foundation. Some are cosmetic and some are a sign of real movement. The pattern, width and whether the crack is growing tell the story.

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Types of cracks

Hairline vertical cracks in poured walls often come from shrinkage. Horizontal cracks in block walls and stair-step cracks along mortar joints usually mean pressure or settlement.

Diagram: common crack patterns in foundation walls, from hairline shrinkage to stair-step and horizontal cracks.
Diagram: common crack patterns in foundation walls, from hairline shrinkage to stair-step and horizontal cracks.

Watch and measure

Mark the ends of a crack with a pencil and date it. If it grows over a few months, it's active.

Sealing poured walls

Leaking cracks in poured concrete walls can be injected with epoxy or polyurethane to seal them.

Bowing block walls

Walls leaning inward can be stabilized with wall anchors, braces or carbon fiber, depending on how far they've moved.

Brick and veneer

Cracks in exterior brick often follow settlement in the foundation below. Repointing without fixing the cause won't last.

Inside the house

Drywall cracks above doors and windows and gaps at the ceiling can reflect movement below.

Water and cracks

Water through a crack makes basements damp and can freeze in winter, widening the crack.

When to worry

Cracks wider than about a quarter inch, cracks with one side offset from the other and cracks that keep growing deserve a professional look.

Get an inspection

Send photos and describe where the cracks are. Send a request and a foundation repair contractor will get in touch.

Crack in a foundation wall

Frequently asked questions

Can I fill cracks myself?
You can seal hairline cracks, but structural cracks need the cause fixed first.
Does crack repair come with a warranty?
Many contractors offer warranties on sealing and stabilization; ask for details in writing.

Request a foundation inspection

Cracks, sloping floors, sticking doors and damp crawl spaces. 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.

  • Crawl spaces, basements and slabs
  • Knoxville, Karns, Lenoir City, Clinton and nearby
  • Get an inspection and quote before any work

Request a foundation inspection

Your request goes to an independent local foundation contractor. No spam, no sales calls.

Need wall & crack repair in Knoxville?

Send a request and a foundation contractor will get in touch. Requests answered 7 days a week.

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Request a foundation inspection
Request a foundation inspection