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Thread: Waterproofing steel roof

  1. #1
    Senior Member
    Join Date
    Feb 2013
    Location
    West Northants
    Posts
    1,169

    Waterproofing steel roof

    The fan house of our 40 year old grain store was built using the same corrugated steel panels that were used for the grain walling, basically building 3 grain wall sides with one sheet on top as the roof. The roof has a slight fall on it and has lasted relatively well, however in one or two spots it has just started to rust through a little and now drips water when it rains. Obviously we could re-roof it but that seems overkill, can anyone recommend a decent alternative which would stick to a galvanised sheet and provide a reliable waterproof seal? The roof is still sound apart from these small rust holes.

    Many thanks.
    Stay in Northamptonshire - meadowviewcottages.co.uk

  2. #2
    Senior Member
    Join Date
    Mar 2013
    Location
    United Kingdom
    Posts
    160

    Re: Waterproofing steel roof

    Flashband
    Silicon
    dab bitumen on in spots

    These will probably all gather moisture somewhere though

  3. #3
    Senior Member
    Join Date
    Feb 2013
    Posts
    277

    Re: Waterproofing steel roof

    flashband would get my vote as well ,used it to cover rust spots on feed bins and it sticks well . heat the metal first and it will never be taken off again

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