NGA’s GANA Glazing Manual, International Year of Glass (IYOG) Edition, is recognized as the definitive resource in the glass and glazing field. This manual includes complete information about primary and fabricated glass products, quality standards, design considerations, general and specific glazing guidelines and glazing in hazardous locations.

NGA’s GANA Glazing Manual, IYOG Edition, was updated in December 2022 and is updated from the GANA Glazing Manual 50th Anniversary edition.