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common winter roofing problem 3

Common Winter Roofing Problems:
ICE DAMS & CONDENSATION

With the season we’re now in, here are some common winter roofing problems you should be aware of.

Contact us today if you have any issues with your exteriors.


Ice Dam

A COMMON ISSUE IN THE WINTER IS STAINING OR DRIPPING AROUND BATHROOM FANS DUE TO ICE DAMMING.
  • Large volumes of snow and ice forming along the eave of the roof
  • Ice backing up inside the eavestrough and downspouts
  • Causes roof leaks

Improper Ventilation System

  • Attics need to be able to circulate the air, which helps clear out moisture in the attic
  • Venting consists of intake (usually at the soffit), and exhaust (usually at the ridge)

Ducting

A COMMON ISSUE IN THE WINTER IS STAINING OR DRIPPING AROUND BATHROOM FANS.
  • Fan exhausts warm moist air out of the roof
  • If the ducting is improperly insulated or sealed, it can allow the warm air to mix with the cool air in the attic and condensate

Insulation

IMPROPER INSULATION AND / OR VAPOUR BARRIER (SIDING & ROOF).
  • Insulation needs to be evenly distributed inthe attic
  • Attic hatch should be insulated and sealed with gasket strip to keep warm air from the house from mixing into the attic
  • All protrusions (fans, pot lights, etc.) should be sealed with poly

Temperature

TEMPERATURE AND HUMIDITY LEVEL OF THE UNIT.
  • Residents that keep the temperature up higher during the winter are more likely to experience condensation in the attic
  • Humidity levels need to be adjusted as required over winter months to keep condensation from building up

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