Ceco Door Stainless-Tech Expansion Ceco Door is pleased to announce the expansion of our Stainless-Tech door and frame product line. Ceco Door will now offer both 304 and 316 grade stainless steel plus the following finishes: • #2B – Mill • #4 – Brushed Satin• #6 – Fine Satin• #8 – Mirror Stainless-Tech doors are now available in a polystyrene (LP) core with polyurethane (IU) or honeycomb (RI) core options. Steel stiffened doors will be available as a permanently bonded (MSB) or welded construction (MS). Stainless steel frames will be available in a masonry profile (S and B series). Please go here for more information.