In some cases a roof replacement might be necessary.
How to repair shingle roof leaks.
Starting at the top.
If this the case then your roof problem can be easily solved by replacing any missing or damaged shingles.
For flat roofing look for cracks.
If your home has sustained roof damage from a tree or other falling debris that has made a visible hole in the roof it s better to have a professional roofing contractor make the roof leak repair.
Assessing a roof leak.
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.
If you notice moisture around your chimney during or after a rain you may have one or multiple issues.
To repair a leaking roof with curled shingles straighten the shingles with a heat source like a hair dryer and reattach them with asphalt roof cement or compound.
Some roof leaks are tough to locate.
Some overhead leaks are due to minor problems such as a single torn shingle or a small hole in flashing that you can usually handle with a little diy experience and some.
The source for leaks around your chimney can be difficult to pinpoint.
Diagnosing the cause of a roof leak.
Sometimes the water shows up at a ceiling spot distant from the leak.
Meanwhile tarp the roof to prevent additional water damage.
To repair leaks caused by metal flashing around chimneys and dormers simply reseal joints using a caulk gun filled with roofing cement.
Roof leaking around chimney.