Folded circular ventilation duct made of galvanized steel, DX51D+Z275, for use in building ventilation systems. This EPD covers only the ducts themselves, not fittings or other system components.
Hallströms Verkstäder AB is a Swedish manufacturer of ventilation systems for comfort and industrial applications located in Nälden and Ås, which are both communities in Jämtland, Sweden. The ventilation tubes for which this EPD is created are made of galvanized steel with a service life of 50 years or more. The benefits of using galvanized steel ventilation systems are the long service life expectancy and the protection from external influences such as corrosion. The material is also very light, which aids in the transportation and installation of the product.