Hearth and Home Technologies MONTANA 42 EN - Manual (Page 18)

Outdoor Lifestyles by Hearth & Home Technologies Inc. • Montana US-CAN • 4039-156 Rev P • 10/12 18
6
Complete the Enclosure
Figure 6.1 Multiple Chimneys
A. Chimney Termination
Chimney Termination Requirements (See Figure 6.1)
• Must have a cap approved and listed for this fireplace system
• Must not be located where it will become plugged by snow or other material
• Must terminate at least 3 ft (914 mm) above the roof and at least 2 ft (610 mm) above any portion of the roof within 10 ft
(3.05 m)
• Must be located away from trees or other structures
Slanted Roofs
Flat Roofs
Chimney must
extend 3 ft (.9 m)
above the roof
Chimney must extend 2 ft (.6 m)
above any portion of the roof or
adjacent structures within
10 ft (3 m) of the chimney
Chimney must
extend 3 ft (.9 m)
above the roof
Chimney must extend 2 ft (.6 m)
above any portion of the roof or
adjacent structures within
10 ft (3 m) of the chimney
Multiple Chimney Locations
A B
6 in. (minimum) up to 20 in.
152 mm/508 mm
18 in. minimum
457 mm
20 in. and over 0 in. minimum
Gas, Wood or Fuel Oil
Termination Cap
Wood
Minimum
(See
illustration
above)
B
Gas
Termination
Cap **
A *
Perpendicular W
all
* If using decorative cap cover(s), this distance may need to be
increased. Refer to the installation instructions supplied with the
decorative cap cover.
** In a staggered installation with both gas and wood terminations, the
wood termination cap must be higher than the gas termination cap.