Lilburn

Helical piles in Lilburn, Georgia

Across metro Atlanta and the Piedmont, homes sit on red clay and saprolite, the thick layer of decomposed rock that the New Georgia Encyclopedia describes as covering much of the region. Saprolite can vary sharply over short distances, and fill placed during grading can settle, which leads to uneven foundation movement.

Frost is shallow in most of the state. The Georgia Residential Code requires exterior footings at least 12 inches below undisturbed ground, so designs usually focus on getting through weak fill and variable saprolite to consistent bearing. A soil report or test pile can show how deep that is on a given lot.

Helical pile companies serving Lilburn

One company based in Lilburn is listed.

• Cantsink Manufacturing Inc.: A manufacturer of helical piles, piers and anchors for new construction, home elevation and solar projects, with residential and commercial services.

Costs and what to ask

HomeGuide reports that helical piers cost about $2,000 to $4,000 each installed nationally, with about $3,000 typical. Georgia projects shift within that range based on depth to firm soil and access. See our helical pier cost guide for the main cost drivers. Questions to ask:

• How do you handle lots with deep fill, and can you advance piles until torque confirms the design load?
• Will you provide installation torque logs?
• Does the estimate list pier count, expected depth, bracket type, and whether engineering and permit fees are included?
• What shaft size and galvanizing are used, and what does the warranty cover?

Nearby listings include Norcross and Alpharetta. See all Georgia helical pile installers.