Thanks for the reply. The liners appear to be joined with mastic or sealant of some sorts and they've used 3 along the length. . There's a piece of lead where the two valleys join that direct the water into the gutter. The valley to the left is the original tiled version and the one on the right...
Hi. First post from me and I'm looking for some advice on a leak between two pitched roofs on my bungalow please.
I've attached a picture to give an idea of the layout of the roof. The run of valley from front to back is approximately 6m and the leak in question is right at the start of the run...