The tar strip needs to be about 60f to activate.
How to repair leaking roof in winter.
The roof shingles should be softened and flattened as the shingles tend to curl up in winter.
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.
In the winter a dab of roofing cement or tar should be added to each shingle to bond them together until the tar strip is activated in warmer weather.
For example soak the downhill side of a chimney first then each side then the top on both sides.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
Step 2 place a bucket underneath the nail to catch the water as it runs down the nail.
Start low soaking the area just above where the leak appears in the house.
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.
While temperature is below freezing at 7 degrees and ot.
Make use of the flame carefully on the curled shingle edges.
Patch the nail or screw holes by slipping a piece of roof flashing underneath the shingle.
Shingles that aren t stuck to one another are very susceptible to damage in winter winds.
The shingles can be warmed up with a propane torch.
Small nail holes left behind from old vents satellite dish brackets or anything previously attached to the roof can allow water to enter and cause damage for years before leaking is noticed.
The nail will provide a path for the water.