Made of customized thermoplastic material, the mats are portable and are designed to be left outside all winter long! The HeatTrak heated floor mats generate heat to melt snow at a rate of 2" per hour leaving the pathway to your home clean and clear 24/7. The Residential Snow-Melting Walkway Mat and Residential Snow-Melting Stair Mat can be used independently or interconnected with one another to create a continuous system of snow melting mats. With the mats' built in watertight connector cables, you can connect Residential Mats to create your perfect snow melting solution all on a single p…