A typical 120 foot long roof edge with 6 12 overhangs and no gutters deicing will need about 291 feet of cable.
Roof ice melting cable.
The thermwell 100 ft.
The kit comes with all the clips and spacers you need to install the entire 240 foot cable in a zigzag pattern across the edge of your roof in the gutters and down your downspout.
As mentioned above you will use about 8w per linear foot of ice melting cable.
That equals to 2 3kwh per hour or almost 56kwh per day of continuous operation.
You need to ensure that you install this cable before heavy snowstorms since it won t produce enough heat to melt fully formed ice dams.
Use to help prevent roof damage and leaking.
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.
Product overview the thermwell 200 ft.
It help prevent ice from forming under the edge of your shingles.
When it reaches the eaves where the temperature of the roof is colder the water refreezes.
Heat cables for ice dams ice dams can pose many problems.
This de icing kit comes with shingle clips and is 200 ft.
Long for large roofs.
Long for large roofs.
Clip in the cable along the same zigzag pattern as the shingle clips.
This de icing kit comes with shingle clips and is 100 ft.
Roof de icing cable kit can be used to keep gutters and downspouts flowing.
Use to help prevent ice from forming under the edge of your shingles.