Page 232 - 2015_Bldg Code
P. 232
CHAPTER 8
INTERIOR FINISHES
User note: Code change proposals to sections preceded by the designation [F] will be considered by the International
Fire Code Development Committee during the 2016 (Group B) Code Development Cycle. See explanation on page iv.
SECTION 801 SITE-FABRICATED STRETCH SYSTEM.
GENERAL
SMOKE-DEVELOPED INDEX.
801.1 Scope. The provisions of this chapter shall govern the
use of materials used as interior finishes, trim and decorative TRIM.
materials.
SECTION 803
801.2 Interior wall and ceiling finish. The provisions of WALL AND CEILING FINISHES
Section 803 shall limit the allowable fire performance and
smoke development of interior wall and ceiling finish materi- 803.1 General. Interior wall and ceiling finish materials shall
als based on occupancy classification. be classified for fire performance and smoke development in
accordance with Section 803.1.1 or 803.1.2, except as shown
801.3 Interior floor finish. The provisions of Section 804 in Sections 803.2 through 803.13. Materials tested in accor-
shall limit the allowable fire performance of interior floor fin- dance with Section 803.1.2 shall not be required to be tested
ish materials based on occupancy classification. in accordance with Section 803.1.1.
[F] 801.4 Decorative materials and trim. Decorative mate- 803.1.1 Interior wall and ceiling finish materials. Inte-
rials and trim shall be restricted by combustibility, fire per- rior wall and ceiling finish materials shall be classified in
formance or flame propagation performance criteria in accordance with ASTM E84 or UL 723. Such interior fin-
accordance with Section 806. ish materials shall be grouped in the following classes in
accordance with their flame spread and smoke-developed
801.5 Applicability. For buildings in flood hazard areas as indexes.
established in Section 1612.3, interior finishes, trim and dec-
orative materials below the elevation required by Section Class A: = Flame spread index 0-25; smoke-
1612 shall be flood-damage-resistant materials. developed index 0-450.
801.6 Application. Combustible materials shall be permitted Class B: = Flame spread index 26-75; smoke-
to be used as finish for walls, ceilings, floors and other inte- developed index 0-450.
rior surfaces of buildings.
Class C: = Flame spread index 76-200; smoke-
801.7 Windows. Show windows in the exterior walls of the developed index 0-450.
first story above grade plane shall be permitted to be of wood
or of unprotected metal framing. Exception: Materials tested in accordance with Section
803.1.2.
801.8 Foam plastics. Foam plastics shall not be used as inte-
rior finish except as provided in Section 803.4. Foam plastics 803.1.2 Room corner test for interior wall or ceiling
shall not be used as interior trim except as provided in Sec- finish materials. Interior wall or ceiling finish materials
tion 806.5 or 2604.2. This section shall apply both to exposed shall be permitted to be tested in accordance with NFPA
foam plastics and to foam plastics used in conjunction with a 286. Interior wall or ceiling finish materials tested in
textile or vinyl facing or cover. accordance with NFPA 286 shall comply with Section
803.1.2.1.
SECTION 802
DEFINITIONS 803.1.2.1 Acceptance criteria for NFPA 286. The
interior finish shall comply with the following:
802.1 Definitions. The following terms are defined in Chap-
ter 2: 1. During the 40 kW exposure, flames shall not
spread to the ceiling.
EXPANDED VINYL WALL COVERING.
2. The flame shall not spread to the outer extremity
FLAME SPREAD. of the sample on any wall or ceiling.
FLAME SPREAD INDEX. 3. Flashover, as defined in NFPA 286, shall not
occur.
INTERIOR FINISH.
4. The peak heat release rate throughout the test
INTERIOR FLOOR FINISH. shall not exceed 800 kW.
INTERIOR FLOOR-WALL BASE. 5. The total smoke released throughout the test shall
not exceed 1,000 m2.
INTERIOR WALL AND CEILING FINISH.
2015 INTERNATIONAL BUILDING CODE® 203
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