Termékek upvc ajtó cég (1)

A hinged hidden double sash 122 mm system that allows for quadruple glazing facilitating a total accoustic silence and an optimum thermal insulation. There is the possibility of incorporating a manual or motorized venetian blind or shutter in the internal (65 mm) chamber. Also Access to the chamber is possible for cleaning and maintenance. Additionally there is a quadruple gasket system that improves the thermal and accoustic insulation.