I知 after some advice to fix a roofing issue caused by capillary action. We have an existing brick garage with a skillion roof clad with corrugated iron. The pitch is less than 5ｰ, more like 3ｰ, which I suspect is causing most of the trouble. When it rains the water runs back under the roofing sheets into the eves.
Ideally the fix would be to replace the roof but I知 looking for a little less expensive fix.
I was thinking of snipping the end of the roofing sheets in every valley of the corrugated back 25mm and bend these down vertical to prevent water running back.
Does anyone have any advice that may help?


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