Acoustical Solutions: Attenuation

9 Items

Metal - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
4700M	600 x 600 x 16	Plain	MicroLook 15/16 Metal	15	0.10 (L)	44	30%
4700MSG	600 x 600 x 16	Plain	MicroLook 15/16 Metal	15	0.10 (L)	44	30%
4700MWG	600 x 600 x 16	Plain	MicroLook 15/16 Metal	15	0.10 (L)	44	30%

6 Items

Metal Premium - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
2194MP	500 x 500 x 16	Perforated	MicroLook 15/16 Metal	15	0.60 (H)	41	30%
2207MP	500 x 500 x 16	Microperforated	MicroLook 15/16 Metal	15	0.60 (H)	41	30%
2787MP	600 x 600 x 16	Extra microperforation Rg 0701	MicroLook 15/16 Metal	15	0.60 (H)	41	30%
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* 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 These are valid although Dnfw, which is essentially the same as Dncw, has superseded it.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.