Quote from the discussion: "An old roofing adage is that leaks are not hard to fix they are hard to find."
Never-ending roof leak - Topic Powered by eve community (HGTVPro.com)
I've seen this problem addressed frequently on House Detective on HGTV. Often roofers and repairmen have searched in vain over a period of years for a leak. Sometimes it turns out to be chimney or window leak.