Acoustical Solutions: Attenuation

10 Items

Metal Bioguard - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
9442MAB	600 x 600 x 15	Plain	Flush Tegular Metal	24	0.10 (L)	44	30%
9442MRB	600 x 600 x 15	Plain	Flush Tegular Metal	24	0.10 (L)	44	30%
9680MRB	600 x 600 x 16	Plain	Tegular	24	0.10 (L)	44	30%
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4 Items

Metal - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
9442M	600 x 600 x 15	Plain	Flush Tegular Metal	24	0.10 (L)	44	30%
9442MBF	600 x 600 x 15	Plain	Flush Tegular Metal	24	0.10 (L)	44	30%
9442MSG	600 x 600 x 15	Plain	Flush Tegular Metal	24	0.10 (L)	44	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 These are valid although Dnfw, which is essentially the same as Dncw, has superseded it.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.