After a series of tests and hearings, explorations, and even exhaustive fire testing, ICC-ES unanimously voted to implement AC456 and modify AC377, the code that establishes the requirements for spray-applied polyurethane foam plastic insulation. The new ICC-ES code, AC456, which will be effective in 2017, establishes a criteria for Coatings over SPF ensuring that the product tested is the same product that is used on the jobsite. As we move forward,  all assembly testing that the SPF and the Coating, that has not been performed in accordance with AC85 Section 3.1 will be removed from ALL SPF evaluation reports and will leave you, the contractor, potentially liable for a “Bad Install that does not meet the codes“.
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