There is no other product quite like Bar-Lift in the market. The Bar-Lift Support has been tested by Drash (Terracon), Consulting Engineers of Texas, Geocon Inland Empire, and Inc. of California for Voids and PSI. The Bar-Lift reinforcement Chair has been engineered and manufactured to support torsion and Lateral Forces without failing. Bar-lift is made in the United States of America. The Texas Department of Transportation has approved Bar-Lift to be used on Streets, Roadways and cities like Alton, McAllen and Rio Grande City require Bar-Lift products to be used in sidewalks and street foundations.