Edwardsville

Helical piles in Edwardsville, Kansas

Edwardsville is in Wyandotte County, in the Kansas City area, where clay drives most foundation calls. The Kansas Geological Survey describes montmorillonite-rich soils that shrink when dry and swell when wet, which moves shallow footings between wet springs and dry summers.

A compiled frost-depth reference lists 36 inches for Overland Park and Kansas City, Kansas. Helical piers usually go deeper to carry a house down to more stable soil, and the helix plates also resist uplift.

Helical pile companies serving Edwardsville

One company in our directory is based in Edwardsville.

• Techno Metal Post of KC: is a listed helical pile dealer for deck, porch, addition and garage piers; the network page shows an open territory, so confirm it is active.

Costs and what to ask

The Kansas guide cites HomeGuide, which puts a typical installed helical pier at about $2,000 to $4,000. Kansas totals depend mostly on how many piers a repair needs and how deep they go. For more, see our helical pier cost guide.

Ask each bidder to quote the same pier count and depth assumptions for Edwardsville, so the numbers compare fairly. The design should address swelling clay and uplift, and a bid that skips engineering deserves a follow-up question. Keep the permit, design and torque records with your home file, since they matter at resale.

• Who is the engineer of record, and did the design account for swelling clay and uplift?
• Will you record installation torque for every pile and give me the logs?
• What shaft size and galvanizing or corrosion protection do you use for Edwardsville conditions?
• Who pulls the Edwardsville permit, and what warranty covers the work?

For wider coverage, see Kansas helical pile installers.