Velux window leaking

29 Aug 2017
Reaction score
United Kingdom
1. Bought a house with single story extension, only 10 degree pitch in the roof and it had tiles on it. Rain was getting in the tiles and leaking, but the windows never leaked.
2. Roofer recommended replacing with a felt roof, which has stopped the roof leaking totally, but now the velux windows are leaking.
3. It's coming in the corner of the window, and it's started to get very black. Only happens when it's raining.
4. Roofer came back and doesn't know why it is, suspects it may be the glass panel itself, but it wasn't a problem till the roof got replaced, they didn't leak at all.
5. I think he cut the flashing at the back of the frame in order to get it on to the felt roof, but not sure if that would be a problem for water getting in at the bottom corner of the frame. Photos below!

Thabks in advance !!

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