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Grah8m
Grah8m
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October 29, 2020
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Everything posted by Grah8m
Fan Duct Vent noise - muffle material
Grah8m
posted a topic in
Sound Insulation
What is actual material used for "sound barrier for ventilation ..." (ref: EAN 4010184083108 ) ?. Oddly the cost for a very small amount to do a 100mm vent, can be about £20. But what is it made of to justify the expense ?.
October 29, 2020
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