Microperforated 138

7 Items

Metal Bioguard - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
9337MAB	600 x 600 x 33	Microperforated	Clip-In 5mm		0.75	20	30%

5 Items

Metal - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Alpha w	Dnfw* (dB)	Recycled Content (%)
9337M	600 x 600 x 33	Microperforated	Clip-In 5mm	0.75	20	30%
9337MBF	600 x 600 x 33	Microperforated	Clip-In 5mm	0.75	20	30%
9337MMY	600 x 600 x 33	Microperforated	Clip-In 5mm	0.15	15	30%
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1 Items

Metal Premium - View Details

Item #	Dimensions (mm)	Pattern	Edge Detail	Grid (mm)	Alpha w	Dnfw* (dB)	Recycled Content (%)
9337MP	600 x 600 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 These are valid although Dnfw, which is essentially the same as Dncw, has superseded it.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.