Norcross has architectural and block glass are available for sale This refers to glass that is used as a building material. It is usually used as transparent glazing material in the building envelope. Other kinds of glass used in architecture include glass brick, float glass, annealed glass, self-cleaning glass and others. Glass used in buildings are usually tempered and laminated, so that their breakability is significantly reduced. Tempered glass would resist breakage and on shattering would break into small square pieces. In situations where strength, thermal resistance and safety are important considerations, this glass is used. The glass used also has to be acceptable as per building code seismic requirements. The one usually enforced in the country is the 2006 International Building Code (IBC, 2006).