For example soak the downhill side of a chimney first then each side then the top on both sides.
How repair a roof leak.
Isolate areas when you run the hose.
You can hire a professional company for the repair of the roof.
Lift the damaged shingle with one hand and push the sheet metal flashing up underneath the shingle so the sheet metal covers the hole.
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.
It will give you many signs in your ceiling and the walls that the roof is leaking.
Have one person climb on the roof and spray water above the suspected leak location.
Start low soaking the area just above where the leak appears in the house.
You have to identify the signs and repair them in time.
Patch the nail or screw holes by slipping a piece of roof flashing underneath the shingle.
Eventually after some time of your roof building it will leak because of the exposure of the elements.
Run water on the outside with a hose.
Look above the ceiling leak point and scan the sheathing leading towards the peak of the roof.
Quickly fix a roof leak by slipping a sheet metal flashing up under the course above the hole.
Repair leak in roof tips.
It may not be a direct line but it will always be above the ceiling leak location.