Zero-Loc Polyurethane Insulated Panels are manufactured by Metl-Span in Lewisville, Texas and Prince George, Virginia. Metl-Span is devoted to manufacturing and marketing only the finest insulated building panel products. As a pioneer in insulated metal panel development for over thirty years they continue to make significant contributions to many product design innovations and technology, which are industry standards.

They are constantly expanding their research and technological capabilities in order to develop the highest quality product possible. Metl-Span is proud to serve the commercial and industrial market and cold storage industry with energy efficient, cost effective factory insulated wall, partition, ceiling and roof panels.As a service oriented company, they are dedicated to continuous product enhancement and equipment modernization.

This is evident by the development of their advanced Blister-Free, HCFC polyurethane foam core in response to today's aesthetic and ecological concerns. This specially formulated core was designed to resist thermal blistering under extreme temperatures and the use of HCFC polyurethane foam significantly reduces potential ozone depleting effects.