Acoustical Solutions: Attenuation

9 Items

Ultima - View Details
Mineral - Core Line

Item #	Dimensions (mm)	Edge Detail	Alpha w	Dnfw* (dB)	Recycled Content (%)
9954M	1500 x 300 x 19	SL2	0.70 (H)	40	33%
9955M	1800 x 300 x 19	SL2	0.70 (H)	40	33%
9956M	2500 x 300 x 19	SL2	0.70 (H)	40	33%

1 Items

Metal Axal Vector - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
9419MWG	600 x 600 x 24	Perforated	Vector	24	0.80	41	30%

5 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%
3075MP	500 x 500 x 24	Perforated	Vector	24	0.60 (H)	41	30%
3076MP	675 x 675 x 24	Perforated	Vector	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 These are valid although Dnfw, which is essentially the same as Dncw, has superseded it.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.