A large amount of glazing configurations means the perfect glass can be yours. This thermal and optical performance data simulation tool utilizes the industry-accepted Window 7.8 software, operated by Lawrence Berkeley National Laboratory (LBNL), using the International Glazing Database (IGDB) v110. Select the number and thickness of panes, air space width and gas, substrates, coatings, frits and laminate options below to construct the ideal glazing for your next project.