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.
How to stop a leaky roof in winter.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
The shingles can be warmed up with a propane torch.
For example soak the downhill side of a chimney first then each side then the top on both sides.
Lay a piece of plywood across the joists and put a bucket on the plywood to.
Go into the attic if you have access and clear insulation off the wet ceiling drywall.
Sponge off any standing water.
This will freeze the leaking water in place but you ll still need to deal with the ice dam or it will melt and start leaking again.
Shine a flashlight along the underside of the roof and look for a hole in the roof as well as areas that are wet or have been.
Make use of the flame carefully on the curled shingle edges.
Clean off debris make sure your roof is clean of debris.
The roof shingles should be softened and flattened as the shingles tend to curl up in winter.
Replace any missing or rotted siding above the step flashing on dormers.
Gutters drains and downspouts should be free of debris that water can exit the roof as quickly as possible.
Locate the source of the leak by examining the underside of the roof from within your attic or crawl space.
If you do not clean the debris there will be an increased chance that ice dams will form once the moisture freezes.
Locate the leaking source and search for the damaged or missing shingles and make a list of the areas to be repaired.
Taking care of your roof during winter is another way to prevent skylight leaks roof care is more important in around winter than at any other time of year.
This is largely due to the threat of ice dams which can wreak havoc on your roof and attic and potentially cause major costly damage.
Recaulk the corner flashing if any areas have hardened caulk.
Dig out any cracked or dry caulking that isn t properly sealing adjoining surfaces and replace with silicone caulk.