30
non-combustIble materIal fInIshIng
non- combustIble materIal
fInIshIng dImensIons
ref
a
b
Non-combustible Material Definitions
Material which will not ignite and burn. Materials consisting entirely of steel, iron, brick, tile, concrete, slate,
glass or plasters, or any combination thereof are suitable.
Materials that are reported as passing ASTM E 136, Standard Test Method for Behaviour of Materials in a
Vertical Tube Furnace at 750°C and UL763 shall be considered non-combustible materials.
W415-0750 / 12.17.08
fIgure 4.1.2
COMBUSTIBLE
MATERIAL
NON-COMBUSTIBLE
MATERIAL SUCH AS
TILE, MARBLE,
GRANITE, ETC.
A
1 1/4"
MIN.
hd35
hd40
33"
38"
33 3/4"
33 3/4"
combustIble materIal fInIshIng
7 3/8"
MIN.
B
ref
c
d
fIgure 4.1.3
COMBUSTIBLE
MATERIAL
C
combustIble materIal
fInIshIng dImensIons
hd35
35 1/4"
41"
D
hd40
40 1/4"
41"