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What is the Average Price for Professional Foundation Sealing and Repair?

The average price for professional foundation sealing and repair depends primarily on the crack type and the repair method required. Based on industry standards and site-specific data, the general cost ranges are as follows:

  • Epoxy Injection: This method is used for structural restoration and typically costs between $75 and $150 per linear foot. It is best suited for dry hairline to moderate cracks.
  • Polyurethane Foam: Used for hydrostatic sealing and waterproofing, this method generally ranges from $90 to $180 per linear foot, with higher costs for active leaks.
  • Helical Piers: For serious structural settlement and load-bearing stabilization, helical piers cost between $1,500 and $3,000 per pier.

Several variables can influence the final project cost, including the length and width of the crack, the thickness of the foundation wall, and the accessibility of the site (such as basement versus crawl space access).

Because every property sits on unique soil conditions, a professional on-site evaluation is necessary to provide a binding custom quote.


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