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  1. #1
    Join Date
    Mar 2008
    Location
    Byron Bay
    Posts
    52

    Default soundproofing plumbing pipes

    I am having a granny flat built on the side of my brick veneer house.

    The exterior brick skin has been removed along the side where the flat will be. The slab has been poured, and the frame and roof are in place.

    The water pipes in the wall of my bathroom are currently exposed, because the bricks are gone. The wall will be internal now, and will be sound insulated and plastered.

    I don't want pipe noise to disturb the occupants of the granny flat, and I don't want noise from the flat to enter the house.I am using polyester insulation in the cavity, and two layers of 10 mm SoundCheck plaster, with QuietWave membrane between.

    Does anyone have any advice about lagging/soundproofing the pipes?

    Cheers

    Mark

  2. #2
    Join Date
    Oct 2005
    Location
    newcastle
    Posts
    216

    Default

    treat same as for fire rated walls - ie fire rated silastic. all the brands have it, and as well as fire rated its usually accoustically rated because its much denser.

    hope this helps

    eg
    http://www.bostik.com.au/distributio...lants_page.htm

    fire ban 1 ^^^^^^

    edit - another one to add that I just happened on

    http://www.soundblock.com.au/pipes.html
    Last edited by pharmaboy2; 23rd March 2008 at 08:28 AM. Reason: added

  3. #3
    Join Date
    Apr 2004
    Location
    Parkdale Vic
    Age
    73
    Posts
    26

    Default Pipes

    Hi, I work as a plasterer and I notice that good plumbers use a silicon sealant where the pipes travel through the joists etc. Similar to no-more-gaps. They say that it reduces hammer and vibration. May as well give it a try now that you have access to the pipes.
    George

  4. #4
    Join Date
    Jul 2004
    Location
    ipswich Queensland (Gods backyard)
    Age
    69
    Posts
    286

    Default

    i am not sure about the pipe noise you are worried about ,is it possible water hammer ,waste water pipes , sewerage waste ,please specify so that this forums enormous wealth of knowledge can advise
    kind regards
    tom armstrong
    www.kitcheninabox.com.au
    Flat Packed kitchens to the world

  5. #5
    Join Date
    Mar 2008
    Location
    Byron Bay
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    52

    Default

    Quote Originally Posted by arms View Post
    i am not sure about the pipe noise you are worried about ,is it possible water hammer ,waste water pipes , sewerage waste ,please specify so that this forums enormous wealth of knowledge can advise
    Tom, It's the water pipes in the wall. I have put silicone in the holes in the studs where the pipes go thru, and will look into the lagging suggested above

    Thanks

    Mark

  6. #6
    Join Date
    Jul 2004
    Location
    ipswich Queensland (Gods backyard)
    Age
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    Posts
    286

    Default

    if its only water pipes then silicone in all holes will stop water hammer or vibration , lagging will only add an extra cost with no real benefits added
    kind regards
    tom armstrong
    www.kitcheninabox.com.au
    Flat Packed kitchens to the world

  7. #7
    Join Date
    Mar 2008
    Location
    Byron Bay
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    Default

    Quote Originally Posted by arms View Post
    i am not sure about the pipe noise you are worried about ,is it possible water hammer ,waste water pipes , sewerage waste ,please specify so that this forums enormous wealth of knowledge can advise
    Quote Originally Posted by arms View Post
    if its only water pipes then silicone in all holes will stop water hammer or vibration , lagging will only add an extra cost with no real benefits added
    Thanks Tom

    I will just put on the plaster as is

    Cheers

    Mark

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