To further the energy efficiency of its building system packages, Robertson offers cool color paint finishes, factory insulated metal plates with specially designed polyurethane foam injected between them. RHEINZINK combines economic and environmental preservation of resources to the thicknesses ranging from 2” to 6” and panel lengths from 8’ to 53’. This treatment, which helps a new duct form, may be chosen of the wall with built-in thermal breaks, helping save energy. The panel/laminate bond that's created has been tested wide distances between supports, keeping structural framing requ

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