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PIR Insulation between rafters - Cold Roof

Discussion in 'Roofing and Guttering' started by SS-ProjectBuild, 18 Jun 2021.

  1. SS-ProjectBuild

    SS-ProjectBuild

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    Hi Guys,

    I am about to put in my insulation between the rafters after my electrics first fix,

    The question being do I put the insulation in so they are flush to the bottom of the rafters or can I put them above my wiring as long as I leave my 50mm air ventilation gap?

    There will be 50mm pir under rafters too followed by plasterboard.

    I didn't want to have that gap between the bottom and top insulation but can that cause issues?

    thanks
     
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