Armstrong combines its mineral and metal tile technologies to create Metal "Premium", high acoustic performance metal ceilings : Premium B15 & Premium OP19. Premium OP19 infill can achieve up to Class A sound absorption.
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Declaration of Performance
* Some products may have Dncw values published. These are valid although Dnfw, which is essentially the same as Dncw, has superseded it. For further information on the acoustic performance of Armstrong products please contact our Armstrong Technical Sales.
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Armstrong World Industries Ltd., Building Products Division, Armstrong House,
38 Market Square, Uxbridge, UB8 1NG, United Kingdom
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