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Freezing kitchen extension, steps to insulate

  • 06-04-2018 12:27am
    #1
    RaulDublin
    Registered Users, Registered Users 2 Posts: 116 ✭✭


    Need some suggestions on insulating an old extension.
    Background - 7 sq mtr room north facing used as a utility with 3 external walls...and it's freezing even during day time.
    The room does have an external wall insulation which would have been put back when the extension was probably build, most likely in early 90s.. Although I am not sure on the state of the EWI and how effective is it now.

    Other issues - aluminum back door
    No under floor insulation
    Window seals have given up.

    We are getting new doors and getting the windows seals replaced but I am not sure if this will be enough.

    On a day like today when outside is around 9 degrees and the room is heated up the ambient temperature in the room gets to around 19 degrees max.
    Walls around 11 degrees, external door frames around 8 degrees and window frames near the seals around 10 degrees.The roof does seem to retain whatever heat exists when I check with an infrared camera.
    I can clearly see that the door frames and the tiled floors are the worst culprits, but at this stage we would like to avoid taking out the existing tiles in the floor and laying under floor insulation (although that's what we had done in the rest of the ground floor areas)
    Keeping the heating on for more than an hour is not an option as the rest of the ground floor then feels roasted...
    I've shown it to a few insulation contractors with no clear answer.
    Can we keep the ewi as is and do the rest of the bits and still hope to retain heat longer Or that the ewi is ineffective now given the age of the material used and when insulating now we should look at adding additional measures.
    Any suggestions?

    My own understanding is that there are many things going wrong in the room which render the EWI complete ineffective as there are enough leaks in the room . So am I right in thinking that these should be fixed and the ewi may be OK.


Comments

  • #2
    goz83
    Registered Users, Registered Users 2 Posts: 8,035 ✭✭✭goz83


    Sounds like the entire room is a heat sink:
    Alu window frames.
    External wall (likely no insulation)
    Cold slab
    Fecked seals.

    The whole thing needs some serious work, but at a minumum, as well as changing the frames, I would get rid of the cold tiles in favour of some wood and get some insulated plasterboard...110mm should do the job.


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