Metal roofing is a common method for industrial or commercial buildings, however, climatic conditions such as high temperatures, high moisture or heavy rains have a great impact in the lifecycle of metal sheets, causing corrosion and considerable damages that lead to water leaks. ALCHIMICA’s water-based PU system, HYPERDESMO® AQUA provides an economical and durable solution for the waterproofing and protection for metal roofs in flat inclined and vertical substrates.