Plastic windows produced by Sumeda from Veka profile is a good choice for those who want to buy windows for the acceptable prices. These windows also have many properties that are especially acceptable for city residents. It is necessary to emphasize that only properly designed windows are safe and functional that guarantee comfortable micro-climate in the premises. Plastic and aluminium articles do not present a uniform structure; therefore, article's properties depend on the main components of windows and combination of their properties.

PVC profile (frame, sash) is the most important part of the window that guarantees strength, functionality and durability of the article. Sumeda uses the Alphaline 90 MD triple- sealing and Softline 70 AD double-sealing systems‘ profiles.