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NYC Building Code

§ 1805.3.1 — § 1805.3.1

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What is NYC BC § 1805.3.1?

Quick Answer

This section outlines the requirements for designing and constructing waterproof floors to withstand hydrostatic pressures. It mandates the creation of a continuous water seal below the floor using appropriate materials and specifies that joints and penetrations must be sealed as per manufacturer recommendations. Applies to building owners responsible for floor waterproofing compliance.

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

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1805.3.1 Floors.

BC § 1805.3.1

Floors required to be waterproofed shall be designed and constructed to withstand the hydrostatic pressures to which the floors will be subjected. Waterproofing shall be accomplished by creating a continuous water seal below the floor using appropriate waterproofing materials. Joints, penetrations and other interruptions shall be sealed in accordance with manufacturer's recommendations. Floor waterproofing must be transitioned to accomplish a complete tie-in with the foundation wall waterproofing.

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