The ATZ Laboratory specializes in conducting testing services for the insulation and geofoam industry. We pride ourselves on achieving quick response time at economical pricing due to our focus on insulation and geofoam testing. Testing is most commonly conducted for EPS manufacturers, contractors, and regulatory agencies for evaluating geofoam to be in compliance with ASTM D6817, “Standard Specification for Rigid Cellular Polystyrene Geofoam” or ASTM C578, “Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation.”

The ATZ Laboratory is accredited to international standard ISO/IES 17025, “General requirements for the competence of testing and calibration laboratories”. Learn more


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ATZ Laboratory provided top notch customer service and was easy to work with. Their response time on every level was great and they were eager to help.

–Customer survey response