Multiple Dwelling Law § 240 · Title 2. Fire Protection
First tier of beams
Text — Law content up to date as of August 28, 2026, as published by the New York State Senate (Open Legislation)
§ 240. First tier of beams. 1. In all tenements erected after April twelfth, nineteen hundred one, which are five stories or more in height, the first floor above the lowest cellar, or, if there be no cellar, above the basement or other lowest story, shall be fireproof; and all exposed portions of any iron or steel beams below the floor arches shall be fire-retarded.
2. In all non-fireproof tenements erected after such date which are four stories or less in height, the ceiling of the lowest cellar, or, if there be no cellar, of the basement or other lowest story, shall be fire-retarded or covered with plaster boards at least one-half inch in thickness, with all joints made true and well pointed.
3. In all old-law tenements which are four stories or more in height the ceiling of the cellar, or, if there be no cellar, of the basement or other lowest story, shall be fire-retarded.
Source of truth
- Edition
- Law content up to date as of August 28, 2026, as published by the New York State Senate (Open Legislation)
- Official file
- https://legislation.nysenate.gov/pdf/laws/MDW240
- Text hash
- sha256 160f0469d4db8d82d94d829d9b7bfcf9c9a0afb27d338a1cc335d1a5d6f8584d
- Composed by
- gen_ny_statutes.py 2026-11-10: the Senate's Open Legislation law tree (GET /api/3/laws/<ID>?full=true) read in document order; the Senate's PDF of the whole law (GET /pdf/laws/<ID>?full=true), read with PDFium, prints the same words in the same order
Procedural information only. Not legal advice and not a substitute for the advice of an attorney. Confirm the current text with the official publisher before relying on it.