Hi Guys,
I've lived in my property for about 10 years and before we moved in we had a 3.5m deep, full width single storey rear extension built. The technical drawings showed that the pitch of the roof was to start just below the first floor window sill and had a pitch of approximately 20 degrees. We didn't notice that the builders actually started the roof 25-30cm below that window sill and so I check the roof pitch which is actually about 13 degrees. We've had issues once in a while, but generally the roof has been fine. Since last year we've noticed we've been getting more leaks and I've managed to fix the issue by clearing some of the moss that had built up. It looks like with the moss build up and the shallow roof pitch water is potentially being obstructed from running down properly. It tends to happen mostly where we have a down pipe from the loft coming onto the roof which causes extra water to flow down that side of the roof. We've now connected a angled downpipe from the loft downpipe along the top of the single storey sloped roof to the the bottom gutter. Not sure if that will fix the issue, but I'm guessing the real problem here is the shallow roof combined with heavier rain fall.
I'd like to ask you all what do you think my options are to rectify the situation? Do I need to change the angle of the roof (which I assume will be major work), or is there an option to do something else like using specialist roof tiles to accommodate the shallow roof?
Any help would be appreciated as I'd like to rectify the situation before winter where I think we'll end up with constant leaks.
Thanks.
I've lived in my property for about 10 years and before we moved in we had a 3.5m deep, full width single storey rear extension built. The technical drawings showed that the pitch of the roof was to start just below the first floor window sill and had a pitch of approximately 20 degrees. We didn't notice that the builders actually started the roof 25-30cm below that window sill and so I check the roof pitch which is actually about 13 degrees. We've had issues once in a while, but generally the roof has been fine. Since last year we've noticed we've been getting more leaks and I've managed to fix the issue by clearing some of the moss that had built up. It looks like with the moss build up and the shallow roof pitch water is potentially being obstructed from running down properly. It tends to happen mostly where we have a down pipe from the loft coming onto the roof which causes extra water to flow down that side of the roof. We've now connected a angled downpipe from the loft downpipe along the top of the single storey sloped roof to the the bottom gutter. Not sure if that will fix the issue, but I'm guessing the real problem here is the shallow roof combined with heavier rain fall.
I'd like to ask you all what do you think my options are to rectify the situation? Do I need to change the angle of the roof (which I assume will be major work), or is there an option to do something else like using specialist roof tiles to accommodate the shallow roof?
Any help would be appreciated as I'd like to rectify the situation before winter where I think we'll end up with constant leaks.
Thanks.