Washington, D.C.
GeoSpray® Geopolymer Mortar: Manhole Rehabilitation

Project Overview

DC Water engineering had identified a route along Klingle Road in
Washington, D.C., where the sewer pipe was in need of rehabilitation.
Though the pipe diameter was below the threshold for standard
application parameters for a spray lining, the client specified the use of a
geopolymer for the manhole rehabilitation portion.

The 72” (1830mm) diameter manholes to be repaired were brick
and had suffered deterioration resulting in cracked and missing
mortar, leaks and water infiltration, as well as several were in structural

Inland Pipe Rehab was selected as the contractor for the CIPP portion of
the pipe repair as well applying the GeoSpray geopolymer material.

Read the full case study here.

Download PDF

Contact us to speak with one of our engineers.

Contact Us