If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures.
Water ingress roof.
What else could be causing water ingress.
Water damage caused by seepage coming in from cracks in the foundation or at the exterior of the house allowing water to enter your home.
Confirm that the source of the water on the inside of the home is a result of a roof leak and not due to a problem associated with other components of the home.
The most likely source of trouble is ice buildup on the edges of your roof.
Other sources of potential leaks in the home include plumbing roof scuppers roof drains hvac and condensation.
Roof damage inspection of the roof may be necessary to identify missing or broken slates or tiles while flashing around the chimney will have to.
How to treat rainwater water ingress.
In a boarded roof one needs to check whether it has been properly counter battened to allow the flow of air beneath the roof covering.
Some roof leaks are tough to locate.
In addition to the obvious drywall and paint damage when we look above your ceilings and behind your walls you could be dealing with mold issues or structural problems with rotted wood.
Sometimes the water shows up at a ceiling spot distant from the leak.
The next likely place to look is the battens and underlay.
Yet if the workmanship is of high quality and the roof is in good condition.
The bad things about slow roof leaks the kind that only show up when it s raining hard outside.
Treatment will vary depending on the cause of the problem so it could be anything from replacing a leaking gutter to replacing roof coverings and repointing walls.
Flashing tiles shingles or deteriorating parts on the roof that indicated signs of needed repair.
Defective surfacing to valley gutters and flat.
Slow roof leaks big water damage.
Leaking or defective drainage or plumbing defective blocked or cracked guttering and downpipes along with faulty internal plumbing are frequently the cause of water ingress and penetrating damp.
If you are concerned that water ingress has taken place it is important to engage the services of a trained and competent specialist who can conduct all the necessary diagnostic investigations.
The key to treating water ingress is first to ensure that the problem has been diagnosed correctly.