Flammability Data: HushFloor™ meets with the North American Standard which allows flame spread rating not to exceed 250 and smoke development not to exceed 500. The numbers displayed above serve as a guide to the general fire resistance of the product.  Actual flammability and smoke developed of the product may vary according to specific installation and/or product options configuration.  More detailed flammability information can be made available upon request. Contact us here for more information.