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Anyone ever put sound insulation in?

LemonadeMoney said:
As Kandi says, the high frequency will be covered by the insulation, but you need dense isolated mass to stop the bass, either dense concrete block or dense soundproof plasterboard (think you have to drill and screw this, as it's too hard to pin). The weak points will be any gaps (use acoustic sealant for any gaps in structure in both 'rooms'), and the doors. You ideally want two thick solidcore doors, one that opens in to the room within the room, and one that opens out of the outer room (if they are close together, if not open whatever way suits), both fitted with acoustic seals and acoustic thresholds. Picture the room filling up with water, if it can get out, so can the sound. You also need to isolate the floor as well, so that no sound can be transmitted from the room within a room structure, to the outer room structure. When Kandi says no contact between the rooms, he is correct, but there are ways to do this with rubber and resilient strips if it's unavoidable.

That covers the sound getting out, you then need to consider the reverberation time for sound in the room within a room, with hard dense walls it could bounce the sound back, creating an echo, and give your boy a headache. Carpets, soft furnishings will help, but you'll probably need some acoustic absorption panels (area required will be trial and error) to tune the reverberation time to what you want.

Or buy him an electric drum kit and headphones!
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Top notch post mate. Will look into it. Did not realise you can get sound proof paint.

We have triple glazed windows but I can say the is no difference between double and triple glazing.
 
Danishfurniturelover said:
Top notch post mate. Will look into it. Did not realise you can get sound proof paint.

We have triple glazed windows but I can say the is no difference between double and triple glazing.
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Not sure sound proof paint will do much in your situation, if anything.

If you put a window in your 'room within a room' with another window next to it in the outer room, they again need to be isolated, and you need to angle one of the windows, so that the glass panes are not parallel, so that they don't vibrate at the same frequency, and hum. You can also use different thicknesses of glass to do the same, but you may need specialist advice on thicknesses, and acoustic consultants don't come cheap (no pun intended).
 
milo said:
At least when they are interviewed by local news they won't say "He was a quiet man,who kept himself to himself. This is the last thing we would've expected."
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“Well, you just don’t expect this sort of thing going on in your own backyard”.
 
Jon said:
“Well, you just don’t expect this sort of thing going on in your own backyard”.
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Nothing goes on in the back garden, I have been cautioned about public decency once already so I know the rules.

Our garden looks quite lovely now. We have a fire pit and are going to get a projector to play movies on the side of the garage. Back end of the garden is fruit trees and veg patch.
 
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