Snow On Roof Ice Dam

Without proper roof snow removal the ice that develops may grow large enough to prevent water from melting snow from properly draining off the roof.

Snow on roof ice dam.

As the ice accumulates it forms a blockage that prevents the snowmelt from flowing off the roof. When the water is unable to drain from the roof it may then back up underneath. You can end the leaks with a phone call to ice dam guys. The meltwater then runs down toward the colder eave overhang where it freezes.

See below for a shopp. The water trickles down between the layer of snow and the shingles until it reaches the eave of the roof which stays cold because it extends beyond the side of the house. Ice dams and icicles form when the snow melts runs down your roof and refreezes near the edge. Call us at 1 800 ice dams if you have an ice dam on your roof and live anywhere in the lower 48 including in hard hit minnesota illinois and wisconsin.

An ice dam forms when the roof over the attic gets warm enough to melt the underside of the layer of snow on the roof. Nonuniform roof surface temperatures lead to ice dams. Ice dams may form when water from melting snow freezes into ice at the edge of your roofline. We are properly licensed bonded and insured and are the top rated ice dam removal company in the us.

If necessary use a long handled garden rake or hoe to push it into position. Stop ice dams with a cold roof. What is an ice dam. The calcium chloride will eventually melt through the snow and ice and create a channel for water to flow down into the gutters or off the roof.

Heat loss from a house snow cover and outside temperatures interact to form ice dams. Lay the hose onto the roof so it crosses the ice dam and overhangs the gutter. Ask this old house general contractor tom silva explains the best ways to keep your roof and gutters free from those dreaded ice dams. Ice dams form when the snow melts on an upper warmer part of a roof.

Why do i need to get the snow removed from my roof. This scenario is often the result of a warm attic. For ice dams to form there must be snow on the roof and at the same time higher portions of the roof s outside surface must be above 32 degrees f freezing while lower surfaces are below 32f.