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Electrical Wiring and Xtrat/King Insulation

  • 04-03-2010 09:03AM
    #1
    YourAverageJoe
    Closed Accounts Posts: 136 ✭✭


    I have read elsehwere that polystyrene compormises ectrical insulation. Do the rigid board insulations have the same effect.

    I ask as I am putting insulation into a pitched roof in a dormer and there are a few cables running up behind the insulation boards in the air gap (ie between the breather felt and the insulation). It is hard to put a pvc conduit on wire that is not in a stariaght line!


Comments

  • #2
    sinnerboy
    Closed Accounts Posts: 5,433 ✭✭✭sinnerboy


    Fair dues - you are running the cables in the right place . Very important not to sandwich them between and insulation as they can overheat .

    You don't need to conduit them when using this type of insulation .

    Use an intumescent sealer where they penetrate the boards


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