Acoustical Solutions: Attenuation

7 Items

Metal - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
2123MSG	1200 x 600 x 15	Plain	Board Metal	24/35	0.10 (L)	44	30%
2123MWG	1200 x 600 x 15	Plain	Board Metal	24/35	0.10 (L)	44	30%
3727M	1200 x 600 x 8	Plain	Tegular	24	0.10 (L)	44	30%

4 Items

Metal Premium - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
2772MP	1200 x 600 x 15	Extra microperforation Rg 0701	Board Metal	24/35	0.60 (H)	41	30%
3729MP	1200 x 600 x 8	Perforated	Tegular	24	0.60 (H)	41	30%
3731MP	1200 x 600 x 8	Microperforated	Tegular	24	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 These are valid although Dnfw, which is essentially the same as Dncw, has superseded it.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.