The heat from your attic and the rest of your house is above freezing which causes some of the snowfall to melt despite the cold temperatures outside.
Reasons for a leaky roof.
This is one of the most common causes of a leaky roof and definitely the one people think of first.
If your leaky roof acts up in the winter check for signs of ice damming.
It s important for any penetration through the roof to be sealed properly to prevent leaks.
As the thin layers of snow or ice begin to melt that meltwater is trapped behind the ice dams.
It s best if you can see the leak as it occurs.
Roofing materials deteriorate with age and become less effective at keeping water out.
If the roof.
It is especially advisable that whenever a major storm occurs that has high winds you should verify the shingles integrity.
What are the ideal conditions for a roof leak investigation.
One of the most common causes for leaks is poor workmanship.
As water pools on your roof you run the risk of it seeping between shingles.
In order to see the leak occurring it will be necessary to trace the leak during a rain or snow event.
Shingles being immediately visible are more easy to diagnose for a layperson.
If this is not.
In order to trace a leak back to its original source it helps to.
Leaks caused by improper installation can include the roof membrane roof flashing roof vents or chimney although these can be punctured by various things.
If an unexperienced roofing contractor did not install the materials properly leaks almost always occur.