Acoustical Solutions: Attenuation

8 Items

Metal - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Alpha w	Dnfw* (dB)	Recycled Content (%)
2058M	600 x 300 x 33	Plain	Clip-In 3mm	0.10 (L)	44	30%
4330M	600 x 300 x 33	Plain	Clip-In 5mm	0.10 (L)	44	30%
4330MWG	600 x 300 x 33	Plain	Clip-In 5mm	0.10 (L)	44	30%

1 Items

Metal Axal Vector - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
2578M	600 x 300 x 24	Plain	Vector	24	0.10 (L)	44	30%

2 Items

Metal Axal Premium - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
2579MP	600 x 300 x 24	Perforated	Vector	24	0.60 (H)	41	30%
2580MP	600 x 300 x 24	Microperforated	Vector	24	0.60 (H)	41	30%

2 Items

Metal Premium - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
4331MP	600 x 300 x 33	Perforated	Clip-In 5mm		0.60 (H)	41	30%
4332MP	600 x 300 x 33	Microperforated	Clip-In 5mm		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 These are valid although Dnfw, which is essentially the same as Dncw, has superseded it.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.