Duct board bass trap - AVS Forum
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post #1 of 2 Old 12-06-2012, 01:17 PM - Thread Starter
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My local HVAC has Johns Manville 4x10 sheets of duct board. I asked the part number and all he knew was 800 series.

1" was around $35 and 2" $50

is this what I need for the bass traps? I can't seem to locate the exact stuff on bob golds spread sheet to compare to OC 703

Linacoustic 100 ft roll 1" was $140 to be placed on front wall doubled up?
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post #2 of 2 Old 12-07-2012, 04:28 AM
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when all else fails order from out of town,

http://www.acoustimac.com/acoustic-insulation-materials/acoustic-insulation/owens-corning-acoustic-insulation/?pid=3&gclid=COq8_J2liLQCFYw-MgodWUAAtw
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