Sanko Metal

Sanko Metal Industrial Co., Ltd. is the largest roofing contractor in Japan, handling approximately three million square meters of roofing and exterior wall work every year. Founded in 1949, the company acts as a metal roofing manufacturer, specialist roofing contractor and comprehensive consultant for roofs and exterior walls, covering development, design, manufacturing, construction and renewal in one stop.

Its product lineup includes standing seam and corrugated metal roofing systems, sheet waterproofing methods combining high insulation and fire performance, sound-insulating roof series, gutters and renovation methods. Sanko developed roll-formed long-span roofing in 1954 and pioneered the folded plate structures and seamed roofing now standard on steel-framed buildings across Japan. Supported by 50 business locations and a network of more than 500 partner contractors, the company delivers landmark projects from stadiums, arenas, airports, stations and museums to factories, warehouses, commercial facilities and housing.