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Glass Deflection Limits: How to Read Code and Standards

Glass does not stop working just when it breaks; it fails when deflection steals edge bite, seal life, sightline control, and proprietor self-confidence. This overview clarifies how to read glass code requirements, ASTM E1300, IBC language, and drape wall deflection limits like an expert doubter.
What Changed in ASTM E1300-24 for Commercial Glazing?

ASTM E1300-24 is not a cosmetic update. It changes what commercial glazing teams can safely assume about load resistance, support conditions, and how far old spec habits can be stretched.
