The application dimension of the Class A Fire Windows market is divided into four primary segments: residential, commercial, industrial, and institutional. Residential applications, accounting for roughly 35 % of total sales, are driven by building‑code mandates that require fire‑rated glazing in multi‑family dwellings and high‑rise apartments. The commercial segment, the largest at approximately 40 %, includes office towers, retail complexes, and mixed‑use developments where fire‑performance specifications are integrated early in design to satisfy insurance and safety criteria. Industrial usage, representing about 15 % of the market, is concentrated in manufacturing plants and warehouses where fire‑rated windows protect critical process areas and equipment enclosures. Institutional projects—hospitals, schools, and government facilities—contribute the remaining 10 % and are influenced by stringent public‑safety regulations and higher occupancy loads. Together, these application categories shape the overall market size, and their relative weight is reflected in the accompanying pie chart, illustrating the current Class A Fire Windows segmentation by end‑use.