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NYC Building Code

§ 2610.3 — § 2610.3

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What is NYC BC § 2610.3?

Quick Answer

This section establishes the slope requirements for flat or corrugated light-transmitting plastic skylights, mandating a minimum slope of 4:12. Dome-shaped skylights must rise a specified distance above the mounting flange. Exceptions apply for skylights passing certain burning brand tests. Applies to building owners installing skylights.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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2610.3 Slope.

BC § 2610.3

Flat or corrugated light-transmitting plastic skylights shall slope not less than four units vertical in 12 units horizontal (4:12). Dome-shaped skylights shall rise above the mounting flange a minimum distance equal to 10 percent of the maximum width of the dome but not less than 3 inches (76 mm). Exception: Skylights that pass the Class B Burning Brand Test specified in ASTM E 108 or UL 790 shall have no minimum slope requirement.

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