valley

Hello, I'd be grateful for your thoughts on issues with this lead valley around a dormer and rough ideas on costs involved to fix it. Water is getting through and staining the wall internally about half way down the dormer. Other info: Valley measurements: 2m long, ~4in wide central channel...

Hi there - help really appreciated! Around 5-6 years ago our roof started leaking. We were advised it was the valley that was leaking and paid for it to be sealed (I'm not sure with what). This week it the same leak has started again. We have had 3 roofers out who have all advised...