Rockfon
Notes: Aluminum linear beam baffle. NRC 0.90 (ASTM C423, E-400) for the tested 2"x6" baffle at 6" spacing with 1" stone-wool ceiling panels. NRC varies widely by config (0.30-1.50). Coverage 4 sq ft = 6"x96" single-face (RockLock Carrier Mount, product 369555:CM).
NRC per ASTM C423. Data retrieved 2026-07-02 from the manufacturer source page.