Insulation delivers fire resistance
Johns Manville has introduced ENRGY 3®.E, polyisocyanurate insulation inherently fire-resistant without added halogenated flame retardants, to its polyisocyanurate product line.
The insulation features a reactive polymer modifier to improve cell structure and foam properties and reportedly meets Class A fire ratings in low-slope roof assemblies. The insulation has comparable fire, mechanical and thermal-performance characteristics and is said to have the highest R-value per inch of any commonly used roofing insulation.
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