It is not good idea to assume that water leaking from the ceiling is directly coming from a leak or hole directly above it. The water can get in from just about anywhere to wend its way down the roof deck before dropping from the ceiling. For primary UK and Ireland leak detection, consider what expert inspectors suggest – start from outside and look for any of the following troubles before heading up to the attic:1. Plumbing PenetrationsPenetration may be made for plumbing vent pipes, ventilation fan ducts, exhaust fuel pipes and many others....