All our windows undergo specialist tests and quality tests. Our own solutions allow us to constantly raise the level of our products. Thanks to continuous development, we can guarantee our customers the highest standard of energy efficiency, safety, acoustics and aesthetics of our windows.
All our windows and doors are subject to specialist tests performed only in notified research units, such as the Window Research Institute IFT Rosenheim and the Construction Research Institute in Warsaw, supervised by the Ministry of Infrastructure and Construction. The certificates obtained based on the above tests prove reliability as well as safety and comfort of Vetrex joinery.
High quality, safety as well as reliability of our products is confirmed by numerous certificates.
