Roof Leak After Snow

The soffit that meets the roof is one of the toughest areas to waterproof.

Roof leak after snow.

Protection for the perishable areas of your roof. The cold weather turns the super chilled water to ice and the ice pack begins to get thicker and thicker creating a dam quite like hoover dam but a much smaller. Rotten or missing trim or siding can allow water to leak behind flashing and into your roof. Dormer leaks can be caused from a number of issues.

When i checked the roof i saw all the snow had fallen off the two story roof and landed on the addition. Worn out flashing or missing sealant can also cause roof leaks around dormers. In order to avoid melting snow and roof leaks you need to have very good insulation ventilation and an effective air barrier. The roof leaked a few days after a foot of snow had fallen.

A roof leak at the edge of a dormer can allow a lot of water to enter your home. An ice dam occurs when snow melts and the water freezes when it hits the colder edges of your roof. It was warm enough for the snow to melt during the day but it would drop below freezeing at night. Most roofing materials are designed to work under the influence of gravity.

Likewise a heavy blanket of snow can hide the significance of an ice dam making it hard to ascertain it s size. Heat leaking up from your home is melting the snowpack in the tight roof canyon. This roof leaks during the snowy part of winter and during storms in the summer certainly due to poor flashing. This keeps the warm air in and the roof at a constant temperature thus eliminating melting snow and roof leaks from occurring.