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The Nitty Gritty

The official Team UMA Blog

Aging Culvert Restoration in Durham, NC

An aging culvert in Durham, North Carolina was in dire need of structural repair, and URETEK MA’s High-Density Polyurethane Resin, and patented Deep Injection process was utilized as the method of stabilization.  The City of Durham estimated the culvert was originally built in the early 1930s, but there are no records from original construction.  The culvert suffered […]

Team Uretek Pumping the HDPR.

The Curious Case of No. 57 Stone

The American Society for Testing and Materials, or ASTM, No. 57 stone is often used as sub base fill material below road surfaces and buildings. It is a fragmented stone with angular edges and is regularly utilized as a drainage layer when used with geotextile fabric.  Although the material is touted by many as “self-compacting,” excess voids left […]

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