Heatilator RAVE3012I Owner's Manual page 21

1/2 IN. THICK
WALL
5 IN.
SHEATHING
NON-COMBUSTIBLE
BOARD SHIPPED
WITH APPLIANCE
1 IN.
1 IN.
AIR SPACE
Figure 5.8 Non-Combustible Zone
Heatilator • RAVE3012I • 2269-901 Rev. E • 4/12 21