Tracing A Roof Leak in Cheltenham: Identifying the Cause and Choosing the Appropriate Repair A brown mark appears above the kitchen window following a night of heavy rainfall. On the exterior, you can see a gutter joint roughly in line with it, a flat extension roof below the main roof https://infoalert-industrypulse428.blogdon.net/detailed-notes-on-flat-roof-cheltenham-that-discussed-on-social-media-60037016