Polarteknik Oy

Fire resistant doors of metal and fire walls being insulated and non-insulated wall panels of metal; Dividing wall panels, door frames and wall hatch panels of metal; Sliding doors of metal; Metallic frames for sliding doors | Door arrangements in the nature of single leaf, double leaves, telescopic, straight and curved door panels with and without fire protection using glass aluminum profiles, steel sheets and sandwich structures and doors for land vehicles and railway cars | Installation, upkeep, maintenance, repair and modernization being modification services for door arrangements in the nature of doors and door frames, doors and door openers and door closers; installation of door arrangements in the nature of doors and door frames, doors and door openers and door closers