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The complete combination of glass or other glazing material, frame, supports, seals, fasteners, accessories, and interfaces that provides a required building function.

GlassRenu archive
Meaning and boundaries
It is not the glass lite alone; performance can depend on the entire tested, engineered, listed, or installed assembly.
Why it matters in glass restoration
Surface work can affect edge support, seals, coatings, labels, drainage, and certified performance even when the center of glass appears accessible.
Related terms
References
- National Glass Association — GANA Glazing Manual, 2022 edition
Publisher’s original source - ASTM International — ASTM C162-23: Standard Terminology of Glass and Glass Products
Publisher’s original source