AFB Evo, Roxul
AFB Evo is the formaldehyde-free version of Roxul’s stone-wool batt insulation, Roxul AFB, for new construction and retrofit commercial interior partitions. Made of natural stone and recycled content, a single fire-resistant and water-repellent panel can have a noise reduction coefficient (NRC) of up to 1.1. Panels are offered in two sizes: 48″ long by 16″ wide and 48″ long by 24″ wide. AFB Evo comes standard in thicknesses from 1″ to 4″, in 0.5″ increments; it is also offered in 5″ and 6″ thicknesses. roxul.com
AFB Evo by Roxul
Made of natural stone and recycled content, this formaldehyde-free stone wool batt insulation is suitable for new construction and retrofit commercial interior partitions.

Courtesy Roxul
Roxul's stone-wool batt insulation