Loft insulation help

Discussion in 'Builders' Talk' started by Fr3di, Dec 16, 2021.

  1. Fr3di

    Fr3di New Member

    Hi,
    I would like to ask about what would be a good way to insulate the loft. The loft is not heated and you can feel the air coming into the loft through gaps between tiles as visible on the photos.

    I was thinking of puting the thermal foil on that but heard that there might be a lot of condensation there which I would like to avoid.

    What would you recommend for roof like that? How could I insulate it and avoid condensation without much hassle and changing tiles etc?
     

    Attached Files:

  2. MRY

    MRY Screwfix Select

    I would be inclined to add to the insulation you have, and make sure you insulate any loft hatches too, but leave the slates and rafters alone.
     
  3. Hans_25

    Hans_25 Screwfix Select

    You could staple or otherwise affix thermal foil, or an insulation product like Airtec double, to the rafters. There will be more than enough moving air to prevent condensation I think.
     
  4. koolpc

    koolpc Screwfix Select

    Dont block up the air coming in from the gaps. Roof needs good ventilation.

    As above, double up on insulation.
     
  5. Hans_25

    Hans_25 Screwfix Select

    If fitting PIR insulation, minimum 50mm air gap is required, so as long as there's a 50mm gap it shouldn't be a problem.
     

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