RIAS A/S processes, sells, and distributes of semi-finished plastic products in Denmark, Sweden, and internationally. The company offers roof solutions, including thermoplates, trapezoidal sheets, gut... RIAS A/S processes, sells, and distributes of semi-finished plastic products in Denmark, Sweden, and internationally. The company offers roof solutions, including thermoplates, trapezoidal sheets, gutters, skylight panels, sunlux sinusoidal wave plates, onduline corrugated sheets, hobby boards, substrate, and moisture insulation sheets. It also offers semi-finished plastic products, such as plates, rods, tubes, foils, and accessories. It serves building, construction, chemical, machinery, offshore, food, furniture and packaging, public, and visual communication sectors. RIAS A/S was founded in 1959 and is headquartered in Roskilde, Denmark. RIAS A/S operates as a subsidiary of thyssenkrupp Facilities Services GmbH.