OF NON-COMBUSTIBLE
MARBLE, STONE
OPTION 2
FACING
WITH
TWO
LAYER
S
MATERIAL
S
IE: DUROCK, CEMENT BOARD, GRANITE,
NON COMBUSTIBLE MATERIAL
COVER WITH SECOND LAYER OF FACE MATERIAL.
SECOND LAYER
LEAVE THE LOUVER AREA CLEAR WITH FIRST LAYER OF FACE MATERIAL
FIRST LAYER
Figure 1.2 - Installation of facing materials ( Case #2)
1
2
INSTALLATION
Continued
min
.
F
m
in.
F
min
.
H
minimum
"F"
wide
x
"H"
high
min
.
H
ALLOW AIRFLOW
NON COMBUSTIBLE MATERIAL
NON COMBUSTIBLE MATERIAL
ALLOW AIRFLOW