Plyco Corp.’s 98SS and 98SP are in the Series 98 insulated utility door product line. The 98SS is a pre-hung, stainless steel door panel and jamb for interiors and exteriors. The door panel is constructed of 18-gauge, 304 stainless steel housing with a polystyrene insulating core. The frame is 16-gauge, 304 stainless steel. The 98SP stainless steel perimeter door has a full fiberglass panel with a polystyrene insulating core and a stainless steel, reinforced perimeter for animal confinement.