Our salesmen here at Mor Electric Heating are experts in everything about heating cable. We even have one who was a salesman for an EasyHeat Rep. in past employment for many, many years. (Brian at extension 7201) He was on countless job sites and even handled some of the largest commercial building projects with thousands of feet of cable.
Roof and Gutter Heating Cable: http://www.morelectricheating.com/products/ROOF%20AND%20GUTTER%20DEICING.aspx
Pipe Freeze Protection Cable: