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EWI during refurb, existing IWI stay or go?

  • 29-06-2018 10:39am
    #1
    whosedaddy?
    Registered Users, Registered Users 2 Posts: 937 ✭✭✭


    Hi,
    i'm planning on adding 150mm EWI to my 1950s cavity block walls.
    In two rooms we have existing IWI, not sure how thick - i think they were 62.5mm boards (50mm insulation), maybe thinner.

    I'm wondering if it is ok to leave them, or would it be better to rip them out. Contractor isn't aware of potential internal works atm.

    /daz


Comments

  • #2
    BryanF
    Moderators, Home & Garden Moderators Posts: 10,146 Mod ✭✭✭✭BryanF


    If you ew’in with 150mm then leave it


  • #3
    whosedaddy?
    Registered Users, Registered Users 2 Posts: 937 ✭✭✭whosedaddy?


    Thanks BryanF. I checked iwi is only 38.5mm. (not 50mm).


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