UPVC windows and doorsLastrik is polish manufacturer specialises in high-quality windows based on Schueco, Aluprof, Aliplast systems and Roto, G-U hardware.Over 14 years of expertise in the field of windows, doors and fasades have made Lastrik a high reliability partner. Not just on a national level, but Europe-wide. Constant improvement, expertise and know-how create world-class products.