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Can I use plastic quadrant instead of Arris on my garden shed/workshop

Discussion in 'Roofing and Guttering' started by pjo123, 19 Nov 2018.

  1. pjo123

    pjo123

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    Hi all.

    OK, I know I've screwed up, it's felted perfectly (decent torch on) apart from one thing, I didn't use any arris rail.

    I'm about to put gutters at the front and rear of the shed, but I want to stop water going off the sides.

    I was thinking using roofing adhesive to stick plastic quadrant along the side edges of the roof and hope that makes most of the water go towards the gutter.

    Is that a stupid idea or should it work?

    See pics for bad drawings of what I mean (and the sort of quadrant I was thinking of using).

    Thanks

    rain 1.PNG rain2.PNG rain3.PNG
     
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  3. noseall

    noseall

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    If you can find an adhesive that will keep that in place, let us all know what it is called please.(y)
     
  4. noseall

    noseall

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    It's called angle fillet or cocking fillet.
     
  5. datarebal

    datarebal

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    Or Arris rail.
     
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  6. noseall

    noseall

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    Who knew eh? Not this chicken. Thought it was for fencing Ho hum.

    I still think his idea with glue is bonkers.
     
    Last edited: 21 Nov 2018
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  8. catlad

    catlad

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    You can screw something to the edge of your roof
    and then torch some felt over it to create a kerb.
     
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  9. Careful_Bodger

    Careful_Bodger

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    How about using flashband (i.e. the sticky-backed stuff) as it is only 10ft on a side. For a neater finish, you could even get creative maybe by trapping the outside edge of the flashband under the fillet, screwing the fillet onto the decking, then dressing the flashband over the outside/vertical and inside/sloping edges of the fillet, and thence onto the roof. You'd need to make sure you had enough overlap onto the roof, using the pukka flashband primer. Avoiding creating creases might be difficult at first, but I have found it to be reasonably forgiving for shed roof edging with a bit of practice. I'd use a decent roller to firmly munge the flashband down onto the well-primed surface.

    This is intended to be a DIYer's answer, as it would not pass muster with some here.

    If you did your own torching - do what catlad said.
     
  10. datarebal

    datarebal

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    Gutter?
     
  11. Mw Roofline

    Mw Roofline

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    An idea of gluing some white quadrant onto a felted roof to stop water dripping off will be about as effective as a one legged cat trying to bury a turd on a frozen lake.
     
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  12. foxhole

    foxhole

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    Ali angle (or UPVC angle)screwed to underside edge with one side sticking up would do it . Not pretty though ,
     
  13. DIYnot Local

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