Engineering Studies

GRS erected a 250' Long x 35' Tall concrete retaining wall in just 8 Days.  Precision Engineering, LLC developed a performance study on this wall.

US ARMY CORPS OF ENGINEERS performed performance test for PermaShield™ sand barriers against flood conditions.  Download the full study.

DOWNLOAD THE STUDY

HOW STRONG IS PERMASHIELD™?

Click here to build your own wall and calculate just how strong PermaShield™ concrete walls are!