September 1, 2008
September 1, 2008 Heat & Glo • NorthStar EPA Fireplace • 480-1081C Page 25
Slanted Roofs
Flat Roofs
Chimney must
extend 3 ft
(914 mm)
above the roof
Chimney must extend 2 ft (610 mm)
above any portion of the roof
within 10 ft (3048 mm) of the chimney
Chimney must
extend 3 ft
(914 mm)
above the roof
Chimney must extend 2 ft (610 mm)
above any portion of the roof
within 10 ft (3048 mm) of the chimney
Figure 25.1 Termination RequirementsFigure 25.2 Multiple Chimneys
6 Complete the Enclosure

A. Chimney Termination (2-10-3 Rule)

Chimney Termination Requirements (See Figures 25.1 and 25.2)

• Musthaveacapapprovedandlistedforthisreplace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
Gas
Termination
Wood & Fuel Oil
Termination Comments
A6 in. 20 in. min. Horizontal distance between terminations
B20 in. 24 in. min. Distance to perpendicular wall
C18 in. 18 in. Vertical distance between terminations
C
A
GAS
TERMINATION
B
GAS, WOOD OR FUEL
OIL TERMINATION