After holes are drilled in the settled section of highway, polyurethane foam is injected under the slab. The foam expands to fill voids and raise the settled highway section. 15 seconds to expand, 15 minutes to cure. This job took 50 minutes start to finish, and used 205 lbs. of HMI polyurethane concrete raising material.
Commercial
Storm Pipe Annular Grouting with FillFoam™
The Challenge Fill the annular space between an existing 18-inch concrete storm pipe and new 13-inch liner pipe Address approximately
September 2, 2026
