Thank you catlad and datarebel.
I'd have to relook at the ventilation aspect of the whole roof, especially the detailing around the gutter and do it asap.
The roof has no vents, but uses Tyvek breather membrane. The insulation is 100mm, which I was going to add to.
Seems like the scaffolders...
My hands are up! The flashband was me.
That's temporary repair until I get it repaired properly. It split due to next doors scaffolders stepping on it and splitting it.
I took it up because I was looking at the damage caused and noticed the height wasn't 55mm at the first step. So I exposed it...
Thank you datarebel
It's code 6 unless the roofing merchant is selling code 5 as code 6. It has the black tape on on the reverse of it. I could check the gauge on an area that would not have had the lead beaten and come back to you.
If I remember correctly, those many moons ago, the substrate...
Thank you datarebel,
I've enclosed photographs.
Two of the general gutter and 2 of each bay in the 2nd and 3rd position. I have not lifted the first bay at the hopper end of last one at the front elevation.
Many thanks
Good evening all.
This the first time of posting and I hope to find a solution to this problem.
I have a butterfly London roof with parapets all around. The gutter is lined with code 6 lead, which has 4 steps and 3 rolls, on geotextile on 18mm WBP ply. The roof is covered in eternit slates...