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  • Hi,

    We have a flat roof and there is a gap in the guttering where the water runs off and goes down the wall. There is some evidence this is causing some damp. I think the solution is to block the water from going down that gap and divert it into the gutter. Any ideas on what to use to do that?

  • Can you unclip the guttering - either all of it or a section - and shunt it down so it closes the gap?

    Then a small blob of some sealant maybe CT1 to seal it.

  • That's a good idea. What is CT1? Googling it seems like some sort of magic do all product

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