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§ 27-647 — Special glasses

New York City Administrative Code (current through L.L. 2026/147, enacted September 12, 2026, and amendments effective through October 10, 2026) · NYC Admin. Code § 27-647

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§ 27-647 Special glasses.

For types of glass other than single annealed sheet and plate glass, allowable maximum areas may be determined by multiplying values in table 10-7 by the appropriate multiplying factor listed in table 10-8. TABLE 10-8 Multiplying Factors for Various Types of Glass Glass Type Multiplying Factor Full tempered 4.0 Heat strengthened 2.0 Factory-fabricated double glazing *1.5* Laminated 0.6 Wired 0.5 Sandblasted or etched 0.4 * For asymmetrical units base strength on thinner lite.