D. A. Van Dam & Associates, LLC - LOGO Certifications

Ladtech System HDPE Manhole Adjusting Rings

Ladtech System Fully Recycled High Density Polyethylene Manhole Adjusting or Grade Rings

Ladtech Specify

Ladtech, Inc. specializes in manufacturing fully recycled high density polyethylene manhole adjusting or grade rings that eliminate deterioration problems associated with concrete, brick and rubber rings.

Ladtech has revolutionized the underground industry by reinventing the manhole adjusting ring - offering a solution to the age-old problems associated with concrete manhole adjusting rings. Imagine a new product that is engineered & designed to replace all existing products, where the new system is more economical, easier to use, functions better, requires less maintenance work and to top it all off, is made from recycled waste material.
The "Ladtech System" has been installed in manhole chimney sections since 1994 from as far as Ketchikan Alaska to the Bahamas, showing absolutely zero signs of breakage and degradation. Find out for yourself and use a superior product on your next project!

Ladtech Banner

Ladtech Installation Video

  • For Any Reason Return Policy
    The distributors of the HDPE Ladtech Adjusting Rings are authorized to replace any ring, which is damaged in any way, due to material defect, or handling by the manufacturer, distributor, contractor or Municipality. Simply return the rings to your distributor for credit or new rings.
  • Full Five Year Limited Warranty
    Ladtech Inc. warrants the adjusting ring for FIVE years against defects in materials in the adjusting ring from the date of installation. Ladtech Inc. shall replace any defective HDPE adjusting rings for five years from date of installation upon receipt of prior approval from Ladtech Inc. Calls to obtain prior approval to replace a defective adjusting ring shall be made to 1-651-415-1252. Ladtech Inc will pay for the cost to dig up and restore the area where the damaged ring is located. This Limited Warranty covers adjusting ring defects in materials only. It does not cover incidental or consequential damages. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation may not apply to you. This warranty gives you specific rights, and you may have other rights, which may vary, from state to state.
  • Plus Five Year Replacement Policy
    After five-year warranty Ladtech Inc. Will replace any defective HDPE adjusting rings at no charge to the customer for a period of five years. Call Ladtech Inc at 1-651-415-1252 and receive authorization to get adjusting rings replaced at no-charge.