The answer to 'flat roof water stains' is that they are typically caused by leaks or poor drainage on a flat roof. Symptoms include discoloration, staining, or even visible water pooling on the roof surface. Solutions can range from simple DIY repairs to professional roof restoration, depending on the extent of the damage.
For minor stains or small leaks, homeowners may be able to address the issue themselves by cleaning the roof, sealing cracks or gaps, and improving drainage. However, for more significant water damage, extensive leaks, or structural issues, it's best to call in a professional roofing contractor to properly inspect, diagnose, and repair the problem.