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  1. Q

    Lead gulley leaks when heavy snow thaws

    I did consider something called Guttermelt when I was googling "ice dams" last year, and it does seem that trace heating is popular in Canada/Scandinavia, but I'm not sure if I could justify the cost if all that would solve it is some tape across the overlay or peeling back the step and putting...
  2. Q

    Lead gulley leaks when heavy snow thaws

    Wickes £5.69 each. :shock: Unfortunately, the builders who did our extension did turn out to be cowboys and it was they who replaced the tiles, not the plumber, so wasn't suprised to see these and the reason I took the photo. Classic. I've no idea what was there before though, maybe...
  3. Q

    Lead gulley leaks when heavy snow thaws

    Thanks for that, you've certainly given me something to think about. The photos don't make it very clear, but the steps are a sharp 90 degrees steep. I take on board what you say about the nails, and may get out there and do what you recommend in the summer. However, whilst the current...
  4. Q

    Lead gulley leaks when heavy snow thaws

    The photos were taken in 2008, and the broken and shot tiles were replaced when the rest were relaid.
  5. Q

    Lead gulley leaks when heavy snow thaws

    Just found another photo taken last year whilst we were having our ridge tiles re-bedded: I know the step in the background is 2 ins, so I think the step in the foreground is about 3 ins. It's the latter where we get a small amount of water ingress, but only after very heavy snow (which...
  6. From the end of the gulley

    From the end of the gulley

    Image from 2012 whilst we were having the ridge tiles rebedded
  7. Q

    Lead gulley leaks when heavy snow thaws

    Not quite sure of the terminology here, but there is a drop of about 50mm between the left piece of lead and the centre piece. This is the only area where we get slight water ingress, and only after heavy snow.
  8. Q

    Lead gulley leaks when heavy snow thaws

    There's a neoprene expansion joint welded into the lead in the third photo. At each overap in photos 1 and 2 there's a drop of about 2 inches, but this is not too clear in the pictures. Your 1st unedited post was somewhat dismissive of the guy who did the work. but he came highly...
  9. The right side of the gulley and valleys.

    The right side of the gulley and valleys.

    No problems here.
  10. The centre of the gulley.

    The centre of the gulley.

    No problems here.
  11. This is the left side of the gulley.

    This is the left side of the gulley.

    The overlap here, about a metre from the end is where the water is getting in after snow. I suspect that ice is sitting in the gulley and when it starts to melt the water is unable to fall off the end and it squeezes back through the two layers of lead.
  12. Roof gulley

    Roof gulley

    The gulley cuts the roof in two, and spans about 12 ft.<br><br>It is accessible via a Velux window from the attic.
  13. Q

    Lead gulley leaks when heavy snow thaws

    We have a large gulley which had always had problems with leaks. A few years ago, and at great expense we had it totally overhauled with new lead, an increase in the fall and an expansion point added. The plumber that did the work came well recommended, and clearly knew what he was doing...
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