Perforated 106

5 Items

Metal - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
4331M	600 x 300 x 33	Perforated	Clip-In 5mm		0.70 (L)	20	30%
4331MSG	600 x 300 x 33	Perforated	Clip-In 5mm		0.70 (L)	20	30%

1 Items

Metal Axal Vector - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
2579M	600 x 300 x 24	Perforated	Vector	24	0.70 (L)	20	30%

1 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%

1 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%

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 These are valid although Dnfw, which is essentially the same as Dncw, has superseded it.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