I’ve seen this a couple of times now, where a flash of closed-cell is sprayed on the interior of the zip-R foam.How risky is this assembly? I understand that there’s… I’ve seen this a couple of times now, where a flash of closed-cell is sprayed on the interior of the zip-R foam.How risky is this assembly? I understand that there’s…Read MoreGreenBuildingAdvisor

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