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Before you hire: 4 questions to ask

General guidance for any helical pile contractor, not a statement about this company's practices.

  • 1
    Pile designWho engineers the pile layout, and will you get a stamped letter or drawings?
  • 2
    Torque recordsWill they log final installation torque for every pile and give you a copy?
  • 3
    Product & coatingWhich manufacturer and shaft size do they install, and is the steel galvanized?
  • 4
    Permits & warrantyDo they pull permits and book inspections, and what warranty covers the work?

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American Foundation & Waterproofing

American Foundation & Waterproofing is a foundation repair and waterproofing company at 1503 Old Mt Tabor Road in Maryville, Tennessee. Its site says it was founded in 2007 and serves residential, commercial and municipal clients.

The site lists basement waterproofing, foundation repair with piers, crack repair and bowing wall solutions, crawl space encapsulation, concrete leveling and sinkhole remediation by compaction grouting. Solutions named include helical piers, push piers, wall bracing and anchors. The service area covers East Tennessee, North Georgia and Western North Carolina, including Knoxville, Chattanooga, Bristol and Asheville.

Call +1 865-982-0250 or use the site to request an estimate. Because helical piers are one option among several, ask why they suit your structure, how depth and load are verified, whether an engineer is involved, and what permits and warranty apply.

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© 2026 Helical Pile USA. An independent directory of helical pile installers, manufacturers, and distributors in the United States and Canada. Listings are provided for information only and are not endorsements; always verify licensing, insurance, and engineering requirements with the company and your local building department.