Interior Floor Finish

OCCUPANCY TYPE (new building)
CODE REF. INTERIOR FLOOR FINISH
AMBULATORY (Sprinklered) NFPA 101, 2012 No requirement
AMBULATORY (Not Sprinklered) NFPA 101, 2012 (20.3.3, 38.3.3.3 and 10.2.7) Class I or II in corridors and exits
BUSINESS (Sprinklered) NFPA 101, 2012 No requirement
BUSINESS (Not Sprinklered) NFPA 101, 2012 (38.3.3.3 and 10.2.7) Class I or II in corridors and exits
HEALTHCARE (18.3.3.3 and 10.2.7) Class II or Class I for exit enclosures and Corridors
EDUCATIONAL (14.3.3.3.2 and 10.2.7) Class II for exit enclosures and Corridors
ONE & TWO FAMILY DWELLINGS
(24.3.3.3) No Requirements
HOTELS AND DORMITORIES
(28.3.3.3) Class II for exit enclosures and Corridors
APARTMENTS
(30.3.3.3) Class II for exit enclosures and Corridors
MERCANTILE
(36.3.3.3) Class I or Class II for exit enclosures
STORAGE
(-)

Flame-Spread Classification Flame-Spread Rating or Index
Class I (or A) 0 – 25
Class II (or B) 26 – 75
Class III (or C) 76 – 200

(what-is-flame-spread-and-smoke-developed?)


Classification of interior finish materials shall be in accordance with tests made under conditions simulating actual installations, provided that the authority having jurisdiction shall be permitted to establish the classification of any material on which a rating by standard test is not available.
Exception: Materials applied, in total thickness of less than 1/28 in. (0.09 cm), directly to the surface of walls and ceilings shall be exempt from tests simulating actual installation if they meet the requirements of Class A interior wall or ceiling finish when tested in accordance with 10.2.3.1 using inorganic reinforced cement board as the substrate material.

Notes:

  • Code Reference used is NFPA-101 2012 edition unless otherwise noted.
  • These information is not complete and intended to be used as quick references only, always refer to NFPA or your local codes for complete information.

Disclaimer

All the information(s) in this website are intended as a personal reference or notes only, we shall not be responsible for any loss, damage or injury that may be suffered by anyone in connection with the use of the facilities designed based on the recommendation of this website.

NFPA References

QCDD References

Ramps

Vertical Openings

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