Metal Premium

6 Items

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
2771MPOP	600 x 600 x 15	Extra microperforation Rg 0701	Lay-In	24	0.70	31	30%
2772MPOP	1200 x 600 x 15	Extra microperforation Rg 0701	Lay-In	24	0.70	31	30%
4702MP	600 x 600 x 16	Microperforated	Lay-In	24	0.60 (H)	41	30%
9335MPOP	600 x 600 x 15	Perforated	Lay-In	24	0.95	28	30%
9427MPOP	600 x 600 x 15	Microperforated	Lay-In	24	1.00	27	30%
9444MP	600 x 600 x 15	Microperforated	Flush Tegular Metal	24	0.60 (H)	41	30%

* 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 These are valid although Dnfw, which is essentially the same as Dncw, has superseded it.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.