Welcome to CNC Double Glazing – your leading double glaze manufacturer!
CNC Double Glazing is based in Cape Town. We specialize in a wide range of quality double glazing products.

What is double glazing?

Double glazed windows are essentially two panes of glass with a vacuum between them. The trapped air creates insulation that prevents heat loss or gain through the window because the air temperature cannot penetrate the vacuum and therefore bounces back.

CNC SAGGA Certificate