Custom-designed sloped glazing and skylights have long brought a distinctive architectural statement to atriums and other features of commercial buildings. While the framing is essential for supporting the structure and resisting environmental loads, the selection and specification of the overhead glass is of the greatest importance due to the hazards posed by potential breakage. The glazing and fenestration industry has developed a guide to assist designers and specifiers prioritize and apply the variables to meet applicable code provisions, minimize breakage, and maximize performance.