Portiso is dedicated to the manufacture of industrial doors for cold rooms, air-conditioned rooms and clean rooms. Currently, it is one of the main European manufacturers in the sector. It has a very wide range of products for all types of applications and is investing heavily in R&D, technology, new products and certifications to comply with regulations, respond to intensive industrial use and contribute to energy savings. Portiso is part of Purever Industries, one of the leading industrial groups in the European insulation market.