1
3
Figure 4.
3
-
Installation of facing materials ( Case #3)
WITH
THICK
LAYER
OF NON-COMBUSTIBLE
OPTION
3
NON COMBUSTIBLE
SIDE VIEW
NON C
OMB
USTIBLE
FACING
MATERIAL
ALLOWING AIR FLOW FROM BEHIND SURROUND
VIEW FROM BACK
OF SURROUND
NOTCH OUT BACK OF FACE MATERIAL TO
ALLOW MINIMUM 13 SQUARE INCHES OF
AIR FLOW
ALLOW AIRFLOW
NON COMBUSTIBLE MATERIAL
NON COMBUSTIBLE MATERIAL
ALLOW AIRFLOW
NOTCH OUT BACK OF FACE MATERIAL TO
ALLOW MINIMUM 13 SQUARE INCHES OF
AIR FLOW
