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Slate roof redone, does this look right?

Discussion in 'Roofing and Guttering' started by SEDIY, 12 Aug 2018.

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  1. datarebal

    datarebal

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    Ok, I expect the kick was already there but not so obvious, If he has made no changes to fascia heights then that is the case. Assuming, He stripped back to rafters, new underlay, new batten the reslate.
    It is correct to say that all the slates should run down in line with no kick. I'm guessing that flank joins into your neighbours too? .
    Dry verge systems.. You don't have a dry verge system its a bodge.

    My personal preference would have been slate under cloak and a mortar bedded and pointed verge.

    The lead hips There should be a timber mop stick (not arris!) to which the lead should be dressed closely and a clipping system in place . Yours are more or less draped over and nailed... I wont mention nail types in the slating or lead work.
    There is a broken slate a couple of courses up and numerous cuts missing.

    Little details tell me he had a little knowledge (very little) but just poor pride in his work.

    Get the verge done and hips.
     
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  3. SEDIY

    SEDIY

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    Sorry, my mistake, it was mop stick (dunno where arris came from!).
     
  4. SEDIY

    SEDIY

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    Our roof terminates higher than our neighbours.
    [​IMG]
    The ridge with the two combs are the same ridge that is uncovered in picture below.
    [​IMG]

    Thanks datarebal for the detailed advice.
     
  5. datarebal

    datarebal

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    no problem, a bit confused the last picture shows cement fibre type product..?
    Natural slate one side, fake the other?
     
  6. SEDIY

    SEDIY

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    That's a whole other story!
    When we bought the house the roof had partial sarking felt visible in the loft.
    We can only assume, when our next door neighbour had their roof replaced, they also replaced some of our's to the ridge-line.
    We were only able to see the other side once the scaffold was in place.
    [​IMG]
     
  7. SEDIY

    SEDIY

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    Looking at a picture from a few months ago, the original slates are flat to the rafter. I'm assuming the slates further up are sitting on a bed of mortar. This is no longer the case. (I've tweak the sky in the photo to show the slate line better).
    [​IMG]

    EDIT: to clarify this picture is from before the roof work was done.
     
    Last edited: 21 Aug 2018
  8. datarebal

    datarebal

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    did they fit an over fascia vent? have you a picture of the whole roof on this elevation?
     
  9. SEDIY

    SEDIY

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    There is no venting at all as far as I can see.

    This is the relaying of the slates up to the verge in post #21
    [​IMG]

    The image in post#14 shows the new verge from the same elevation.

    Whole roof
    [​IMG]
     
    Last edited: 21 Aug 2018
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  11. datarebal

    datarebal

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    Thanks these pictures reveal more, While the slates have been laid ok. first picture shows, cement fibre used as eave slate which isnt end of world i guess.
    but! top of first slate is missing the batten and is free to flap around.
    There is a batten missing each side of the hip running diagonally top to bottom, this will be why they struggled fixing hip cut slates.
    naiing appears to be care free and many slates holed fairly close to bond line. galvanised nails are not ideal.
    they also appear punched through from the top rather than correctly holed from the back of the slate
     
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  12. SEDIY

    SEDIY

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    Also just noticed that the bottom two battens are non-BS 5534 battens, is this not mandatory?
     
  13. datarebal

    datarebal

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    What makes you think this?
     
  14. SEDIY

    SEDIY

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    Just seemed weird that all the other battens were graded and the first 5 results from searching on BS5534 suggested it was mandatory.
    from https://www.roofinglines.co.uk/blog/what-do-roofers-need-to-know-about-the-bs5534-changes
    My bad, admittedly after reading some more it appears it is not a legal requirement.
     
  15. catlad

    catlad

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    Poor! those slates nave been nailed in the water shed marks.
    How is it possible for the first slate to miss the baton!!!!!!!
     
  16. datarebal

    datarebal

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    The gauge is clearly set wrong for the first full slate. the others look ok with good headlap..
     
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