Choose a route
Begin with the symptom, not an assumed diagnosis
A ceiling mark, displaced slate, overflowing gutter and damp chimney breast can point to different parts of the roof, but the visible sign alone may not confirm the cause. The service routes explain what information is useful for repairs, inspections, flat roofs, slate and tile coverings, leadwork, chimneys and roofline drainage before anyone discusses work.
- Record where the sign appears and when it changes.
- Note the roof type only if you already know it.
- Use an inspection route when the condition or cause is unclear.