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Is polyurethane insulation in the cavity the same as cavity wall insulation?

  • 13-09-2022 4:30pm
    Registered Users Posts: 11,426 ✭✭✭✭

    Hello all .

    Building Survey done on a house found:

    "Construction: Walls: External walls are 300mm cavity wall construction (100mm cavity) with 50- 60mm polyurethane insulation"

    just to double check this sounds like the cavity just has slabs of polystyrene of 50-60mm in the cavity and that the property has not actually 'cavity wall insulation' ? - IE those small polystyrene round balls that fill up the cavity ?

    If it is just slabs of polystyrene can the house still accept cavity wall insulation where its pumped into the wall to make the house warmer, and will there be much of a difference if the house does get cavity wall insulation seeing as the house already has slabs of polystyrene insulation?

    House was built in circa 2006

    Thank you for your advice.