Begin by locating the leak on the inside of the home.
Roof leaking in bedroom.
Missing warped rotting peeling broken blistering or buckling shingles clogged or slow draining gutters downspouts loose material or wear around chimneys or vents.
Other sources of potential leaks in the home include plumbing roof scuppers roof drains hvac and condensation.
Replace any missing or rotted siding above the step flashing on dormers.
Recaulk the corner flashing if any areas have hardened caulk.
On the outside you should keep an eye out for.
But once water has penetrated the roof it s easily diverted by such things as insulation.
Sometimes the water shows up at a ceiling spot distant from the leak.
So even though you may notice the evidence of a leak in the corner bedroom the vulnerable point in your.
Often water runs to openings in the vapor barrier such as at ceiling light fixtures.
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.
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.