WHAT’S HOT FROM THE SUMMER MEETING: Spray Foam on Metal Panels

The use of spray polyurethane foam insulation on single skin metal panels is being studied for wall and roof assemblies.  A research project to evaluate the detrimental effects on metal was proposed with the Spray Polyurethane Foam Alliance (SPFA) and with the Metal Building Manufacturers Association (MBMA).  Issues such as oil canning from the exothermic curing of the foam and related elevated temperatures is one such item to evaluate. Other concerns are centered around potential damage to paint films. As a collaboration among MCA, MBMA and SPFA, preliminary research has already been done to evaluate the exothermic curing on metal.  The next phase will include the use of full size wall and roof assemblies with foam sprayed in different ways.  Results of the project will be used to generate a “Do’s and Don’ts” guideline for using spray foam insulation with metal wall and roof assemblies.

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