Secondary glazing is an extra layer of internal glazing in addition to the external window. This will reduce noise, heat loss and improve security in listed buildings or those in a conservation area, without changing the external apperance of the building.
The aluminium frames are slim and discrete to blend into the existing window. They come in any RAL colour of your choice.
The windows can come in horizontal or veritical sliding units or can be hinged casement or lift out. Secondary glazed units allow you easy access for maintainence and ventillation.
Granada secondary glazing