Get a sturdy ladder and climb onto your roof.
How to fix a flat roof in the winter.
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 fact winter is the best time for homeowners to have a new roof installed as you will get the best roof prices as well as a choice of the best roofing contractors.
Ensure the area to be repaired is completely dry.
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.
The ice builds back up when it reaches the wall line where the house is heated and it creates an interior drip.
Examine the roof s slope above the area you measured.
Proper ventilation rain and ice shields along with installing a drip edge will help prevent this problem.
Look for areas where the tar have separated or cracked from the roof.
Locate the source of the leak.
Position an extension ladder at one edge of the roof.
In the wintertime ice has no problem building up under the roof membrane shingles and gutters.
Open a container of wet application roof mastic with a screwdriver and carry the container and a wooden applicator to the roof.
Go above the leaking area and search around it trying to determine how the water could flow down the roof and into the rooms below.
Be careful since being on the roof can be dangerous especially during icy winters.
A propane torch can be used to warm up the surface of the roof as the felt tend to dry and brittle in winter and needs to be warmed up before repairing.
For a flat roof.
Because work is limited during the winter season contractors compete for work and lower their prices to get the job.
A flat roof is no more or less likely to leak than a pitched roof it all comes down to the design and the competence with which it is installed.