aekoi
active member
Joined: 26/06/02
Posts: 1163
Loc: Not of this Earth
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Quick, removable, botch job soundproofing for a window. Any suggestions?
#11026 - 11/09/04 12:38 PM
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Hello.
I may have to record a drum kit in a room in my house. There is a window in
the room with a road outside. The window is secondary glazed with perspex but traffic
noise can still be heard. Is there any way I can rig up temporary soundproofing to cut
this noise a bit?
Perhaps a thick piece of MDF that locks into a little frame I could
build on the inside of the window sill. How would stuffing things between the glass and
perspex help?
Is it a total loser and should I just hire a studio?
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RegressiveRock
Just half a pint of cherryade for me
Joined: 01/09/04
Posts: 5350
Loc: Knebworth, Herts
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Re: Quick, removable, botch job soundproofing for a window. Any suggestions?
[Re: aekoi]
#11265 - 12/09/04 02:15 AM
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A method I have used in the past is to screw a panel of MDF over the window with as much
dense wadding behind as possible and strips of acoustic insulation applied to the window
side of the MDF so that an acoustic seal is created between the wall and the panel.
Whilst I have not done this in ages and used a double folded duvet old duvet plus
a blanket when I last did it, Rockwool should be a much better choice...
The
major downside of this is that you then create a reflective surface whereas a window is at
least a bass trap / escape so you may the need to treat the surface...
--------------------
Google less; read more!
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Tim.
Joined: 14/11/02
Posts: 2458
Loc: Not here
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Re: Quick, removable, botch job soundproofing for a window. Any suggestions?
[Re: RegressiveRock]
#11273 - 12/09/04 04:12 AM
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It would have to be extremely loud traffic noise to be picked up by the drum mics…
although low frequency rumble from the traffic could be a problem; a temporary fix for the
window is very unlikely to cure that. You might have more problems with
complaints from drivers ‘cos of the noise the drummer is making  Tim ;o)
-------------------- Studio: www.kymatasound.com
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Adam Inglis
Joined: 01/09/04
Posts: 332
Loc: Gold Coast Queensland Australi...
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Re: Quick, removable, botch job soundproofing for a window. Any suggestions?
[Re: aekoi]
#11723 - 13/09/04 08:06 AM
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I had some cheap 5-ply cut to a mm or two smaller than the window frame space, then used a
staple gun to tightly tack foam sheeting all across the ply and around the edges, making
an upholstered "insert" for the space that fits tight once you push it in (you'll need a
handle or strips of cloth to get it out again)
-------------------- Adam Inglis
A Disco Ate My BABY!
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aekoi
active member
Joined: 26/06/02
Posts: 1163
Loc: Not of this Earth
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Re: Quick, removable, botch job soundproofing for a window. Any suggestions?
[Re: Adam Inglis]
#13326 - 14/09/04 11:55 PM
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Thanks for the replies.
Love the foam backed plywood idea, gonna do that!
Also, as to the drums being louder than traffic, good point, however there are loads of
'stops and starts' in this band and it would be sods law that the school bus would trundle
passed at a most inconvienient moment. Probably.
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aekoi
active member
Joined: 26/06/02
Posts: 1163
Loc: Not of this Earth
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Re: Quick, removable, botch job soundproofing for a window. Any suggestions?
[Re: aekoi]
#15618 - 18/09/04 11:11 AM
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Made my screen. Cuts noise. Sorted.
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Michael Harrison
active member
Joined: 10/09/02
Posts: 1865
Loc: Glasgow, Scotland
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Re: Quick, removable, botch job soundproofing for a window. Any suggestions?
[Re: Adam Inglis]
#17405 - 21/09/04 03:06 AM
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I've got much the same problem Adam - thanks for the tip. My problem also
brings another issue - the window is in the corner of the room, and is in a bay/alcove
about 2' deep. as this sits 90 degrees to my left and about 3' behind me from monitoring
position, it's not ideal acoustically either due to the odd shape. I'm gonna
try what you suggested, and hope it behaves like a bass trap too! Cheap solution, so
nothing lost if not. Mike
-------------------- www.ehsound.co.uk - Live Sound Hire & Services
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Paul White
SOS Editor-in-Chief
Joined: 15/11/01
Posts: 119
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Re: Quick, removable, botch job soundproofing for a window. Any suggestions?
[Re: Michael Harrison]
#20567 - 23/09/04 06:06 PM
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To keep out a worthwhile amount of low frequency noise, you need mass, and one solution I
used some years back was to fabricate a shallow box with a plywood back, around two or
three inches deep and big enough to cover the window. Then I filled it with alternating
layers of fibreboard and plasterboard. I used adhesive draft excluder to make a good seal
to the window, then used thumbscrew style sash window fasteners to holds the thing in
place. By tightening the thumbscrews, the panel squashes the foam and makes a good seal.
Mine was finished with cork tiles on the inside but foam might work better if you need to
kill reflections. The advantage is that aside from a few screw holes for the fastners,
there's no permanent damage to the window or its surround. 
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