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Closing window/door cavity

  • 21-10-2014 2:35pm
    #1
    Maxium
    Registered Users, Registered Users 2 Posts: 22 ✭


    We are filling our 200mm cavity with pumped bead insulation. My questions is can we close the cavity opes around the doors and windows with insulated plasterboard and then let the bead insulation be pumped right up to this or is there a reason we need to close cavity with a solid insulation board in the cavity and then cover by the plasterboard?


Comments

  • #2
    dathi
    Registered Users, Registered Users 2 Posts: 1,422 ✭✭✭dathi


    Maxium wrote: »
    We are filling our 200mm cavity with pumped bead insulation. My questions is can we close the cavity opes around the doors and windows with insulated plasterboard and then let the bead insulation be pumped right up to this or is there a reason we need to close cavity with a solid insulation board in the cavity and then cover by the plasterboard?

    and what is your planed air tightness detail between the window and plasterboard?


  • #3
    Maxium
    Registered Users, Registered Users 2 Posts: 22 ✭Maxium


    I was thinking of using a strip of airtight membrane or an airtight tape if I can find one wide enough - taping one side to the window (before plasterboard goes on), bringing it across cavity and gluing it to the internal leaf which is to be plastered with the Gypsum airtight plaster before being slabbed.


  • #4
    THE DON FANUCCI
    Banned (with Prison Access) Posts: 144 ✭✭THE DON FANUCCI


    Did you get to the bottom of this, What did you do in the finish? How did you fix the insulated slab down into the cavity or did you put it in during construction?


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