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cavity insulation and internal insulated slab

  • 16-06-2010 6:15am
    #1
    homer1982
    Registered Users, Registered Users 2 Posts: 264 ✭✭


    Is it ok to use both the internal insulated slab and also get the cavity wall pumpeb with the insulated beads?

    What are the problems if any?

    would I be better off pumping the cavity wall and insulating the external wall?


Comments

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


    the better choice is to use external insulation (EWI)

    Doesnt make sense to build a cavity if you intend insulating externally.

    Internal insulated slabbing is yet to be proven to be a good idea. Makes some sense if the building isnt occupied 24/7 ie it has frequent heating up / cooling down periods.


  • #3
    soldsold
    Registered Users, Registered Users 2 Posts: 555 ✭✭✭soldsold


    I think he meant drylining the external wall, not EWI?


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


    soldsold wrote: »
    I think he meant drylining the external wall, not EWI?

    dont know, he refers specifically to using insulated slabs and pumping cavity initially... then he refers to a different suggestion.... not the same one.

    OP please clarify


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