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ROCKWOOL AFB evo™ is a lightweight, acoustical fire batt stone wool insulation for steel stud interior wall and floor applications. This no added formaldehyde insulation provides superior sound absorbency and fire protection that contribute to the overall comfort and safety of occupants. It provides increased density that reduces sound transmission. Greater noise control is further achieved when AFB® is part of the wall assembly along with gypsum boards and resilient channels. AFB evo™ is non-combustible and will not develop toxic smoke or promote flame spread, even when directly exposed to fire. This helps to provide valuable extra time for people to reach safety and for fire services personnel to control the spread. It is a key component of fire-rated partitions. AFB evo™ comes in a number of thicknesses to meet the requirements of both retrofit and new construction applications.

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