"SONIC 5.5 flooring features an engineered hybrid composite core structure that can be installed as a floating floor or using a glue down installation method. Direct fusion hi-definition printed designs with wood imagery, durable embossed wear layer, bevelled edges, superior dimensional stability and acoustic cork backing. SONIC 5.5 is suitable for interior floor surfaces above, on, or below grade. It is a FloorScore® Certified product meeting all indoor air quality requirements, and manufactured in compliance with ASTM F3261 standards. "