Ledaks PVC is a company specialized in the production and installation of PVC windows and doors own production . From Ledaks guarantee high quality as determined extensive experience of employees who are able to respond to all customer needs . Production takes place in the most modern way - through digitally -guided machines. Ledaks products are made from premium materials , have excellent thermal and acoustic insulation , and the unique design . To quality was of the highest standard , in use profiles companies Alphacan . Alphacan profiles are refined to the smallest detail and are available in various colors and decors. Detailed Ledaks range of services includes the production of joinery , windows composite materials ( PVC and aluminum ) , plastic windows , elements , shutters , windows and doors and interior winter gardens .