The ICC Evaluation Service Sustainable Attributes Verification and Evaluation Program has issued Nu-Wool a Verification of Attributes Report for insulation producers Wallseal Premium Thermal and Sound Insulation product. The ICC-ES VAR verifies the amount of recycled content for the product, which is a loose-fill insulation made up of a uniform low-density mixture of recycled cellulosic fibers-old newspapers-designed for owners and contractors who want a green insulation product with a Class A fire rating that has both thermal and sound insulating characteristics.

Nu-Wool also has ICC-ES Evaluation Report ESR-2217 that provides evidence the product meets requirements of the International Building, Residential and Energy Conservation Codes.