Soda-lime glass is the most common (90% of glass made), and least expensive form of glass. It usually contains 60-75% silica, 12-18% soda, 5-12% lime.
Where is glass used in construction?
Glass is now being used in the building industry as insulation material, structural component, external glazing material, cladding material; it is used to make delicate looking fenestrations on facades as well as conventional windows.