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Banging fibreglass roof

Discussion in 'Roofing and Guttering' started by MacSV, 9 Feb 2017.

  1. MacSV

    MacSV

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    We had a new 45m2 warm construction flat fibreglass roof installed in October. It makes intermittent loud banging and creaking noises. It is worse during the morning and evenings when the sun rises/sets and the temperature rises/falls. The roof is south facing. I have found numerous old threads discussing this but no real explanation or resolutions to the problem. Any ideas or comments appreciated.
     
    Last edited: 9 Feb 2017
  2. freddiemercurystwin

    freddiemercurystwin

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  4. ^woody^

    ^woody^

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    It's down to poorly detail or poorly implemented construction. It should have suitable separation from, or secure fixing to, the main roof structure.

    Its very common and the easiest thing to get wrong - but they don't put this in the sales brochure. Thats why I would always prefer a non-rigid modern covering such as EPDM
     
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  5. noseall

    noseall

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    Felt roofs are popular for a reason.

    GRP roofs are becoming the latest "damp specialist" or "roof paint specialist" or "HETAS engineer" fad. They are accessible to anyone with a van and a handful of tools and no real skill. Many plastic companies give training seminars whereby you walk away from these after a few hours of training and become the latest "specialist".

    I'm not at all cynical me.
     
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