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thermaline/kingspan plasterboard versus polystyrene plasterb

Discussion in 'Plastering and Rendering' started by nelliedee, 16 Aug 2011.

  1. nelliedee

    nelliedee

    Joined:
    29 Apr 2007
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    Location:
    Surrey
    Country:
    United Kingdom
    Just priced up some insulated plasterboard that will be used on 9 inch breeze block wall that is rendered on the exterior. The builders merchant also sell a plasterboard backed with 50 mm polystyrene and I am wondering if the u values would be the same as the 50 mm thermo boards made by kingspan ect... as it would save about £12 per board and we are going to be using about 15 boards.
    Many thank yous
     
  2. spada01

    spada01

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    What are the U values for each product you're looking at?
     
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