The Sintonia program is generally addressed to customers looking for ecological products but exhibiting good taste at the same time as well as for the best price in due compliance with environmental protection, thanks to the use of non-toxic paints and ecological materials, but at the same time the door is pleasant to see in each of the five suggested families: full wing wood or lacquered doors, Gran Vetro doors, Gran Vetro doors with two jambs, Gran Vetro English style doors and Gran Bugna doors.