Section 400.18306. Interior finishes and materials.

Rule 306. (1) The alphabetical classification of finish materials is for flame spread, fuel contribution, and smoke development as determined by the tunnel test in accordance with the provisions of  NFPA-255-1972, ASTM-E-84-1968, or UL-723- 1971 and grouped as follows:

Flame Fuel Smoke

Class Spread Contributed Developed A 0-25 0-35 0-50

B 26-75 36-75 51-125

C 76-200 76-200 126-200

(2)      The same alphabetical classification is used for combustibility  of prefabricated acoustical tile units only, pursuant to the provisions of  federal specifications SS-A-118B-1958.

(3)   The documents referred to in subrules (1) and (2) of this rule may be purchased as follows:

(a)         NFPA-255-1972, from the National  Fire   Protection  Association, Batterymarch Park, Quincy, Massachusetts 02269, at the cost  of  50   cents per page.

(b)         UL-723-1960,  from  Underwriters   Laboratories,   Incorporated,   333 Pfingsten Road, Northbrook, Illinois 60662, at a cost of  20  cents   per page.

(c)     SS-A-118B-1958, from the State Fire Safety Board, 7150  Harris  Drive, Lansing, Michigan 48913.

(4)   Paper, cardboard, asphalt paper, or other highly flammable  material shall not be used for the interior finish of a group home.

(5)    Group  homes  accommodating  13  or  more   residents  shall  have   a complete, 100% coverage, underwriters laboratories-approved automatic fire detection system, including at least 1 manual pull station per floor level and basement, except in group homes protected completely with an approved automatic sprinkler system. A fire alarm detection system shall be a closed circuit, self-supervised, continuous-ringing system.

History: 1994 AACS.