The roof shingles should be softened and flattened as the shingles tend to curl up in winter.
How to repair a roof leak in the winter.
The purpose is to keep the shingle tabs down in high winds.
Proper ventilation rain and ice shields along with installing a drip edge will help prevent this problem.
To stop the leak use a long handled roof rake to remove snow from your roof or blow cold air onto the area of the roof that is leaking in your attic using a box fan.
You nail shingles to the roof of course but each shingle has a tar strip on it that causes it to stick to the shingle that overlaps it.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
First look on the inside where the leak is.
Isolate areas when you run the hose.
If you plan to replace shingles in the winter it can be done but you have to add something to bond the shingles together.
In the wintertime ice has no problem building up under the roof membrane shingles and gutters.
Roof leaks are problematic at any time of the year but they re especially troublesome in the winter.
Add 8 inches for the thickness of the wall studs plus drywall plus exterior siding.
Make use of the flame carefully on the curled shingle edges.
When it comes to flashing repair doing it yourself is something that is not recommended for any homeowner no matter what the season.
How to repair a leaky roof from inside the house.
Then add in the width of the overhang.
The ice builds back up when it reaches the wall line where the house is heated and it creates an interior drip.
Start low soaking the area just above where the leak appears in the house.
Measure from the inside wall to the point of the leak.
Locate the leaking source and search for the damaged or missing shingles and make a list of the areas to be repaired.
Locate the source of the leak by examining the underside of the roof from within your attic or crawl space.
The shingles can be warmed up with a propane torch.