Heat Tape Calculator for

Asphalt Shingled Roofs

Use the following calculator to help determine what length of cable
and how many clips you need.

Questions? Call Us.


How to Measure for Heat Tape Purchase/ Installation:

  1. Measure the linear feet of roof eave (A) that you want to protect
  2. Measure the depth of the eave (B)
  3. Note any valleys in the roof (C) that exist where the heat cable will be installed
  4. If there are gutters, make note of the number of downspouts
  5. Observe the distance to the nearest outlet