An ice dam forms when the roof over the attic gets warm enough to melt the bottom layer of snow.
Patternfor ice dams on a metal roof.
Metal roofing does not eliminate ice dams.
A metal roof will generally shed snow better but snow running down the roof will still freeze on the unheated overhangs creating an ice dam.
Another option to consider is a metal roof.
Ice dams can be frustrating.
If an ice dam does form an ice belt will reduce the penetration of standing water.
The snow melts into water and t.
By installing a metal roof that has a special coating designed to shed snow and ice causing it to fall off the roof before it has a chance to form into an ice dam you can completely eliminate ice dam formations on your roof in the first place.
Its smooth surface can help and the way that the panels interlock can reduce damage from ice dams but there is nothing magical about metal that eliminates ice dams.
Ice dams are most often the result of inadequate ventilation and insulation in the.
Ice belt metal panels many roofs are made of shingles which work well to remove water until it starts to travel upward.
Metal roofing can help but is not an ice dam panacea.
Heat rising from the home s interior melts the snow which then runs down the roof freezing on the home s unheated roof overhangs creating damaging ice dams.
An ice belt a band of metal roofing installed at the eaves helps prevent the formation of ices dams by placing a low friction surface where ice dams are likely to form.