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Drilling Holes in Acoustic Frames
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Posts: 10
December 29, 2020 - 5:05 pm

1

I have seen people drill holes in the frames they build for acoustic foam . Typically, several 1 1/4" holes are spaced on 4" centers along the perimeter of 1" x 3" select pine board. Does anyone know if these air holes help airflow and improve the acoustic performance of the foam mounted in the frame?

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Posts: 427
December 30, 2020 - 6:53 am
2

Nonsense. Its always about surface area coverage. Drilling a few holes will not increase that variable.

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Posts: 10
January 3, 2021 - 9:27 am

3

I still think adding the holes, although time consuming, labor intensive and may effect frame strength, would slightly increase the surface area of the exposed foam . Similar to the improvements seen when acoustic material is suspended as a cloud. I think it may help, but may cause more problems than its worth. I've seen a few guys do it, but after thinking about, it's definitely not cost effective, so I doubt I'll try it.

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