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sc0ott

 posted on 10th Nov 11 at 13:37

We use a dense block for party walls, 35mm accoustic insulation in the cavity and plasterboard on strapping on the internal face.

Check if there is a building warrant for it and what details were submitted if possible.


Dave

 posted on 10th Nov 11 at 13:01

Thermalite should have similar sound properties to concrete block, if not better.

FWIW I think it's still more likely to be coming through the walls, modern houses have an extra layer of sound proof plaster that goes directly to the walls and is then boarded over to keep sound transfer down on party walls. You can also get sound proof plaster boards that helps too.


Jake

 posted on 10th Nov 11 at 12:01

thermalite is a type of block


sc0ott

 posted on 10th Nov 11 at 12:00

When did he carry out the works?


Tom J

 posted on 9th Nov 11 at 23:51

had a word with my neighbour who built the offending wall. apparently downstairs its block and thermalite, but upstairs its just thermalite and obviously the board on top (on each side)


Jules S

 posted on 9th Nov 11 at 22:02

quote:
Originally posted by jrsteeve
Are there any electric sockets in the party wall? If so check how well they're filled around as this can often be the source. It's airborne sound so it's all about checking for gaps that allow the sound to travel. Could even be shoddy mortar joints if they weren't converted well.


Could be, but you would 'expect' it to be a cavity wall between properties so it's unlikely to be joints/chases between rooms.

I say 'rooms', because the loft space party wall might be another matter.


richardworrall

 posted on 9th Nov 11 at 21:39

Earplugs


jrsteeve

 posted on 8th Nov 11 at 15:08

Are there any electric sockets in the party wall? If so check how well they're filled around as this can often be the source. It's airborne sound so it's all about checking for gaps that allow the sound to travel. Could even be shoddy mortar joints if they weren't converted well.


sc0ott

 posted on 7th Nov 11 at 12:39

Probably travelling through the joists. Open up the floor and just pack it up using sound insulation.


Tom J

 posted on 6th Nov 11 at 20:52

1900s. Its a terrace. My house and next door was knocked into one house and where the offending wall was rebuilt before i moved in. That's how i know its a few layers thick


Jake

 posted on 6th Nov 11 at 20:46

how old is the house?


Tom J

 posted on 6th Nov 11 at 20:43

Next door's bedroom is right next to ours, the wall is fairly thick i think with thermalite blocks/boarded etc so wondering if the sound is travelling under the floorboards and up? I've got laminate floor, thinking carpet and underlay will help, wondering whether to stuff insulation under the floorboards aswell? It's mainly talking and kids shouting noise, does my head in at 6am when i'm on a weekend off!
Any tips? I would try and insulate the wall more but the bedroom door is right up to the wall now so there isn't any more clearance?