While it may seem like the perfect solution to ice dam formation heat cables come with quite a few disadvantages as well.
Roof heat wire ice.
With them you can prevent a lot of damage to your roof that can result from the buildup of ice dams.
If snow and ice accumulate on your roof heating cables are an easy and effective to solution to eliminate melt the ice dams before they cause major damage.
Clip in the cable along the same zigzag pattern as the shingle clips.
Use to help prevent ice from forming under the edge of your shingles.
Use this calculator to estimate the cost and length of heat cables for your home based on your roof length and overhang width.
As the ice dam forms it may be hidden under a pile of snow so you cannot see the damage it s causing.
This de icing kit comes with shingle clips and is 200 ft.
Product overview the thermwell 200 ft.
Ice dams occur because snow and ice on the roof melt due to the home s interior heat.
Long for large roofs.
Secure shingle clips to roof shingles using a flathead screwdriver making sure to align them in a zigzag pattern.
When this mass travels down the roof it freezes again as it reaches the colder exposed overhangs or eaves.
Heat cables can be installed to minimize ice formation and retention on roofs.
An ice dam may form on your roof when temperatures bounce back and forth from above freezing to below freezing.
In this video master electrician for ask this old house scott caron helps a homeowner install heat cables on his roof to stop ice dams.