About

About LADTECH About Ladtech, Inc. Ladtech manhole and catch basin adjustment rings are manufactured from 100% recycled post-consumer materials. Their lightweight design allows for quick easy installation which can reduce labor cost by as much as 2/3. Ladtech HDPE manhole adjustment rings have 100-year life expectancy, they are designed to prevent 100% of I&I through the chimney section, they are impervious to hydrogen sulfide gas and they are HS25 traffic rated. Ladtech produces HDPE manhole adjustment rings and storm drains for catch basin and manhole chimney sections. We replace concrete/mortar and brick/mortar with recycled plastic product that is light, corrosion resistant and engineered for DOT and roadway specifications. Ladtech manhole riser rings are a one-step I&I barrier with a 30 year in ground warranty.