Interference Fit Construction heaters can be produced in single sheets or array of small heaters to achieve dimensions of larger than 47.24 x 55.11 in. with process heater temperatures greater 1,022ºF. They can also be designed with aluminum and SS heater plates for process temperatures up to 750° and 1,200ºF, respectively. Heaters can be used in atmospheric or vacuum environments, preventing outgassing and contamination.