The "tonda eko" series is born from the technical and commercial experience obtained by the production of our series already on the market, always keeping the already known and appreciated performance of the aluminium-wood windos. The "tonda eko" series makes it possible to manufacture windows and French doors with 1,2,3 and 4 wings. The items are supplied with the followings standards: four RAL colours for the aluminium, four finishes for the wood, silver colour hardware, polished brass colour hinge coverings, polished brass handles, tilt and turn mechanism, rebate shoot bolt, 4/15/4 glass. In addition to the basic equipment, the windows can also be supplied choosing among various colours of aluminium, many finishes of wood and other glass thicknesses.