Tempurtech manufacturing is the only company in the U.S.A that produces a heated roof non skid walkway mat up to 50 feet long and 30 to 44 inches wide and 3/8 thick . These roof mats are specially designed mats that are very thin and have a drain screen filament on the bottom as not to interfer with the present roof warranty and allow water to drain properly off the roof by flowing under the mat and not over.. There is no other heated roof mats that are more energy efficient or effective in melting ice and snow. The mats are available in 120 v or 240 v.
NON SKID PATTERN