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What is NYC BC § 1507.2.9.3?

Quick Answer

This section mandates the installation of drip edges at the eaves and rake edges of shingle roofs, specifying dimensions and fastening requirements. The Department of Buildings enforces these regulations. Applies to building owners responsible for roofing installations.

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

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1507.2.9.3 Drip edge.

BC § 1507.2.9.3

A drip edge shall be provided at eaves and rake edges of shingle roofs. Adjacent segments of the drip edge shall be lapped a minimum of 2 inches (50.8 mm). The vertical leg of drip edges shall be a minimum of 1 1/2 inches (38.1 mm) in width and shall extend a minimum of 1/4 inch (6.4 mm) below sheathing. The drip edge shall extend back on the roof a minimum of 2 inches (50.8 mm). Underlayment shall be installed over drip edges along eaves. Drip edges shall be installed over underlayment along rake edges. Drip edges shall be mechanically fastened a maximum of 12 inches (304.8 mm) on center.

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