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polystyrene bead cavity insulation pros/cons

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  • 07-07-2011 9:55pm
    #1
    smorley
    Registered Users Posts: 8 ✭


    My house was built in the mid 1990s and has 100mm cavity with 50mm of polystyrene board insulation against the inner leaf. I am considering taking up the Bord Gais offer to have the remainder of the cavity filled with pumped polystyrene bead cavity insulation.

    Has anyone done this and see a noticable improvement in the warmth of the house?

    I am still wondering if the benefits in energy efficiency are worth the possible risks of introducing damp or other problems - any comments?

    It seems that once you take the step of having this done it it difficult/impossible to undo it even if problems don't appear for 10 or 20 years.
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    #2
    muffler
    Registered Users Posts: 46,014 ✭✭✭✭muffler


    There have been quite a few threads on this topic with the majority of posts/people in favour if this type of insulation and finding real benefit from it.

    I pulled this one out of the pile but you could enter "cavity insulation" in the search box and read other threads also - both in this forum and the C & P main forum and maybe a couple on the arch tech forum.


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