Spraywall, the High-Build Polyurethane Lining, Developed and Manufactured By Sprayroq Chosen by the University Of Texas

August 02 (2021

Spraywall was chosen by the University of Texas at Arlington in a 2020 study to create testing and application standards for spray-applied pipe rehabilitation liners in the Department of Transportation markets.

SprayWall was the only polymeric material to participate in this innovative test, with the other test material being a cementitious spray-applied liner.

Both materials were applied to invert-less corrugated metal pipe culverts, designed to simulate deteriorated pipes that failed at the invert, where ring compression forces are the strongest. The control pipe, with no spray-applied treatment, was not able to resist the applied pressure from the test on its own. When treated with SprayWall, the pipe’s load-carrying capacity was increased by 471.7% at 250 mils of application, 484.8% at 500 mils of application, and 802.7% at 1000 mils of application.

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