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Heat Loss through Un-Insulated Cavity Block External wall

  • 03-09-2011 09:59PM
    #1
    championc
    Registered Users, Registered Users 2 Posts: 6,384 ✭✭✭


    Hi all

    My Semi-D was built in the early 70's and I am considering Dry Lining the Hall, Stairs and Landing Cavity Block external gable wall. So the overall surface area is about 230 sq ft. I have a window sill which protrudes 50mm so I would plan to have this as my maximum depth for the insulation and plasterboard.

    So basically, is the investment likely to be worth the effort ? For example, am I likely to save just €20 per year or could I likely save €120. Obviously the whole Hall and Landing areas will become a lot more comfortable. Comfort is one thing but justifying the investment is another.


    C


Comments

  • #2
    16hill
    Closed Accounts Posts: 24 ✭16hill


    Well worth the invesment i got the all external walls in my house fitted with 50mm insulated plaster board and its great i would say deffo get it it done its not expensive compared to other produts and its consistent.


  • #3
    championc
    Registered Users, Registered Users 2 Posts: 6,384 ✭✭✭championc


    Do you monitor your heating usage in units ? Are you down 10%, 20% ....... ? Obviously, there's no point monitoring cost since the cost per unit is fluctuating so much in the past few years.

    I installed solar tubes in Jan 2010. My average usage at that point was about 1800 units per year and that's now down below 1500


    C


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