One of the best window design improvements created by moderntechnologies - is double-glazed windows. Glass thermal conductivity isapproximately 2.5 times higher than PVC material, and about 20 times higherthan air. Therefore, in plastic windows instead of conventional glass are usedglass package. They are hermetically fastened glasses, between which is filledair.
Plastic doors are safe, elegant and warm. They provide the best thermal insulation, as in the same way as plastic windows, they consist ofpvc profile with multiple chambers (5-6chambers) that prevents cold air fromentering your home. Good door secret is qualitative plastic selection andcorrect production technology, where is used the highest quality materials.