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Adding soundbloc boards worth my while?

  • 27-06-2008 7:30am
    #1
    callie16v
    Closed Accounts Posts: 24 ✭


    Hello all,
    I am coming to the end of an extension and attic conversion. The sound insulation between ourselves and next door has never been good. The plasterboard on the party wall is just blobbed on to the block wall and painted.
    I am wondering if it would be worth while to fix a soundbloc board on to the existing plasterboard and plaster, Or am i just wasting time and money. My thinking is that it cant make it any worse, but know its not the proper way to do it.


Comments

  • #2
    sydthebeat
    Subscribers Posts: 42,171 ✭✭✭✭sydthebeat


    i dont think it would be worth the effort or the money.

    It may be the case that the existing blobbed on plasterwork has trapped air cavities that are acting like an amplifier.. remember in school when the teacher would hit the tuning fork and hold it to the blackboard.., same science here.


  • #3
    callie16v
    Closed Accounts Posts: 24 ✭callie16v


    Thanks, dont think i will bother with it.


  • #4
    sydthebeat
    Subscribers Posts: 42,171 ✭✭✭✭sydthebeat


    if its really an issue, the best thing to do would be to remove the plasterboard.. batten and counterbatten the wall, incorporate quilted insulation such as rockwool and plasterboard over.

    probably a lot of work though for what youd get as a result though, remember, the amplifing effect would pertain to the far side of your party wall as well..


  • #5
    HPT
    Registered Users, Registered Users 2 Posts: 141 ✭✭HPT


    I used a product called Calibel on the party wall both upstairs and downstairs in my semi-d house.

    It's roughly an 8x4 slab with sound deadening material on the back of it. I think it's 60mm thick overall. I just fixed that directly to the blocks using a mix of metal and plastic fixings drilled through it.

    I haven't moved in to the house yet so I can't honestly comment on their effectiveness just yet.

    Can't remember the price of them at the moment.
    I actually have 3 full undamaged slabs left over... any takers ;)

    Edit: I've used soundbloc on all my internal walls upstairs and on the ceilings downstairs. I put Rockwool between in the studs upstairs and between the joists in the ceiling / floor. That combination makes a great improvement over what was there before I started... Slabs that were wallpapered without being skimmed. House was built in the 70s.
    I'd highly recommend the soundbloc and rockwoll combination. Double-slab if you can.


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