The 4×6-S/C Portable Asphalt Heater units are available with a standard high output heating area of 24 square feet. With the usage of three, 8” steel wheels, this heater can easily be pushed around a job site The unit can be operated off of one or two (20, 30 or 40lb.) LP tanks. The Split Channel feature gives the operator an option to heat one half of the box (2’x6′) at a time. Like all our portable heaters, the 4×6 has a small 12-volt battery, solar power panel, and battery charger all on board to help ensure the units automatic ignition. Panels are made of 14 gauge stainless steel, lined with a high temp blanket material for greater fuel efficiency