Cavity Sound Insulation?

Question

Recently I had new Double Glazing Units fitted along with new Plastic Cladding. On the exterior there were Boards(Roughly 8x4) made from 1/4-1/2" compressed composite material which I now realise gave fairly good Sound and Heat Insulation.
I am looking for a suitable material to fill a 75mm space which is between Exterior Plastic Cladding and Plasterboard (which has a Tinfoil finish to the exterior).A material that will give good SOUND INSULATION.
I have good access to the spaces as the Cladding can be removed for the task.
Can you suggest a suitable product that can be used that would be suitable for this project and that will give good SOUND Insulation?

Answer 1

In the UK the material your are looking for is called "Kingspan" it's a polyurethane rigid board with thick foil on one side, I am sure there are many similar products available. The plasterboards you refer to are actually thermal plasterboards, and can be purchases=d with varying thicknesses of polystyrene attached.

Answer 2

If the wall is 6" or thicker, specific hollow area insulation will critically decrease via wall noise. regrettably maximum inner partitions are 4" thick. the terrific thank you to shrink sound is to construct a a insulated double wall the place the framing of the 1st wall is parallel yet a minimum of a million cm from the framing helping the different area. The timber, framing helping a huge-unfold wall is the main conductor of sound via the wall. by breaking the via the wall framing a variety of of the sound would be stopped. Insulation then provides to the help.

Answer 3

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Answer 4

Hi Jazzjim there are many sound proofing and insulation products on the market these days but the one type of sound proofing insulation i use most is this one :- http://www.soundservice.co.uk/Acoustic%20Mineral%20Wool.htm hope this does the job for you m8! good luck :)