With its constant diameter no matter its length, the green cable surface XL is not only ideal for installations with an uncoupling membrane designed to receive a heating cable, but this versatile cable also lends itself perfectly to a conventional surface installation with FLEXTHERM’s white universal snap-in gauges specially designed for this product. Both robust and flexible, the green cable surface XL is compatible with ceramic and natural stone floor coverings and produces optimal heating output ranging between 11.5W/sqft and 14.5W/sqft according to the type of installation. Compatible with ceramic and natural stone floor coverings. Robust sheath with a constant diameter. Does not dry out air or spread dust and germs. Requires no maintenance. Designed for installation in wet environments.