QUADEX, INC. created in 1991 manufactures a complete line of cementitious products to restore the structural integrity of manholes, wetwells, pumping stations and other related wastewater structures. Our lining products provide a permanent seal against corrosion,, infiltration, and exfiltration, and have an installation life of 10 to 50 years in wastewater applications. Formulated and designed by QUADEX, INC. with the most advanced technology available, our products surpass all other products offered to the industry with regards to structural and flexural strength, permeability, application thickness and workability. To insure the performance of each product, QUADEX, INC., verifies the results of all in-house studies through extensive independent laboratory ASTM procedures. QUADEX, INC. has established itself as a leader in this specialized field, unequaled in the Wastewater Rehabilitation Industry..