icce / Green Building & Sustainable Home Renovation Information & Advice

Ice dams form at the bottom of roofs, letting water penetrate and cause damage to the interior of walls and roofs.  When snow melts on a roof it runs down until it meets the unheated bottom edge of a roof and then freezes. This chunk of ice is called an ice dam, and it can cause water to backup beneath shingles and Ice...

Frost in Attics: why is there Ice in my roof?  When a warm sunny day arrives after a long cold stretch and it seems like you have a roof leak when there isn't a cloud in the sky, it's probably Attic Icing, otherwise known as Ice Dams or Ice Damming, and the surprising thing is that it's very unlikely that the roof cove...

Top Tips for preparing a home for winter Extremely low temperatures over winter can test your home in many ways, and sometimes your house will return a failing grade. Even brand new homes built to code can see failures of their building envelopes, windows, doors and ventilation systems during winter, a simple failure t...