Today’s windows are not only eye catchers, they don’t let heat pass to the outside or cold to the inside. Their environmental suitability has been rated excellent. They can augment the pleasure and style of living in your own home when your window profiles are perfected by TROCAL. TROCAL is a pioneer in this sector, and the two new technologies it has developed offer the best conditions for adapting the design and function of your windows to modern day times.