The Glass Association of North America (GANA) serves as a unified voice in responding to challenges from competing building materials and agencies that attempt to regulate or restrict glass usage. Its four divisions consist of the Building Envelope Contractors Division, Distribution Division, Tempering Division and Laminating Division. GANA publishes a number of technical manuals, but the Glazing Manual, Sealant Manual, Engineering Standards Manual and the Laminating Glass Design Guide re the most referenced and extensively used by industry, government, architects and specification writers. GANA publishes Glass Reflections, a quarterly newsletter.

Glass Association of North America
Topeka Kansas
USA

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