Can stainless steel doors and door frames be fire rated?
The fire rating capabilities of a particular manufacturer are limited to those products that have been laboratory tested by that firm. Ambico’s capabilities in the field of fire rated stainless steel doors and frames are the broadest in the industry. They include single door/door frame units rated to three hours. As well they include pairs of doors rated to ninety minutes. Ambico is serviced by Warnock Hersey International, Underwriters Laboratories (UL) and Underwriters Laboratories of Canada (ULC).