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Warm or Cold Roof

  • 21-07-2011 3:43pm
    #1
    BuildGirl
    Closed Accounts Posts: 3 ✭


    HI,

    We are about to start our roof, and we have 2 rooms with vaulted ceilings. We wish to use the best roof for our build, and we are unsure whether the traditional cold roof is the way for us or the newer warm roof. We have been advised that the warm roof will cost more in labour and material but if I thought it was the better roof then we could manage to cut costs on our finishes instead.

    We would be aiming for the same uvalue regardless of roof buildup and also will be applying an airtight membrame as we will be installing a HRV system.

    Basically, in lay mans terms would we be colder in a room with a cold roof or if it is insulated to same uvalue as the warm roof would it still be ok.

    Please help with any advice, as my head is starting to melt with this, and we need to decide asap.

    thanks

    BG


Comments

  • #2
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,823 ✭✭✭✭galwaytt


    Ignoring technology, imho, a warm roof is a better roof system. Quite apart from anything else, you have a 'warm' void for services, your HRV, and your pipes can never freeze. In an ideal world, if you think about it, insurance co's should give you a discount for it, in light of the last two winter's......

    Now, how you build it, that's a different thing.

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