Use calcium chloride or an ice melt product.
Roof ice dam problems.
Use a roof rake after heavy snowfalls.
As water flows down the roof it reaches the portion of the roof that is below 32f and freezes.
See below for a shopp.
This causes the ice dam.
An ice dam is a hump of ice that forms at the edge of a roof under certain wintertime conditions.
The dam grows as it is fed by the melting snow above it but it will limit itself to the portions of the roof that average below 32f.
The resulting damage from ice dams to the roof and the rest of the house can easily cost thousands of dollars especially if the snow is allowed to remain on the affected roof for a long time.
Lay out additional attic.
Illustration by yuko shimizu hacking away at ice dams with a hammer chisel or shovel is bad for your.
Solving an ice dam problem with exterior rigid foam eight inches of polyiso a second layer of roof sheathing and new shingles cost the same as a standing seam roof without any insulation by pauline guntlow march 6 2018 we stopped our ice dam problems by installing 8 inches of rigid foam insulation above the existing roof sheathing.
Pull off snow with a long handled aluminum roof rake while you stand safely on the ground.
This only occurs when part of your roof warms to above 32 degrees f warm enough to melt the snow while the roof edge remains below freezing.
Ice dams appear quickly after a heavy snow because of the insulating properties.
If you have an ice dam forming you can apply calcium chloride or similar.
Insulating your attic space.
Ice dams and icicles form when the snow melts runs down your roof and refreezes near the edge.
Chip off the ice.
The snow on a roof surface that is above freezing will melt.
The next step is to bring up your level of the attic floor insulation to a level.
The water runs along the roof and under the snow refreezing as it reaches your roof s cold overhang.
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 are caused by heat escaping through your roof during the winter.
Locating and properly insulating all the little pathways through.
Homeowners know that unsightly ice dams are what often follows a major snowstorm and onset of low temperatures.
This scenario is often the result of a warm attic.
Sealing air leaks leading into the attic space.
As the heat escapes it melts snow and ice on your roof.
Ice dams are a common sight in northern new england winters and home partners has dealt with quite a few.
A rake with wheels.
Although climbing onto the roof is.
It will put gutters and downspouts at risk too.
