For over 40 years, XR Geomembranes from Seaman Corporation have been successfully used throughout the world to formulate the strongest, most durable geomembranes in use today, setting the industry standard for geomembrane strength, durability, and performance. Seaman Corporation offers three grades of XR geomembranes for containment: XR-5® for broad chemical resistant applications requiring high-strength membranes; XR-3® for moderate chemical resistant requirements; and XR® PW for potable water contact products.


Watershed Geosynthetics (Watershed Geo®) is an innovative civil and geoenvironmental technology company. Watershed Geo’s technologies include the ClosureTurf® landfill final cover system, the VersaCap® landfill intermediate cover system, the HydroTurf® advanced revetment system, and the PowerCap™ solar power generation system.


At Tensar, we are passionate in our belief that scientific research and technical innovation creates superior performance and the most economical solutions for the industries, markets and customers we serve.

As a global leader and expert in value-engineered systems incorporating Tensar geogrids for ground stabilization and pavement and soil reinforcement, we leverage our patented geogrids and erosion control products to continually innovate and engineer applications to serve the commercial, residential, industrial, and transportation markets.

We continue to lead the industry by investing heavily in research, development, engineering, and manufacturing in order to better serve our customers. Comprehensive support services, including conceptual to final engineering design, technical training seminars, and on-site support allow our dedicated employees to provide cost-effective, time-saving, and lasting solutions.

Tensar International Corporation is a division of CMC. Learn more at or