J. Chimney Termination Requirements

Install a cap approved and listed for this fireplace system.

Locate cap where it will not become plugged by snow or other materials.

Locate cap away from trees or other structures.

The bottom of the termination cap must be at least 3 ft (.91 m) above the roof AND at least 2 ft (.61 m) above any portion of roof within 10 ft (3.05 m) as shown in Figure 8.10.

The distance required between caps is shown in Figure 8.10.

Slanted Roofs

Chimney must extend 3 ft (.9 m) above the roof

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 2 ft (.6 m) above any portion of the roof or adjacent structures within

10 ft (3 m) of the chimney

Multiple Chimney Locations

Gas, Wood or Fuel Oil

Termination Cap

A

B

6 in. (minimum) up to 20 in.

18 in. minimum

152 mm/508 mm

457 mm

20 in. and over

0 in. minimum

 

 

Wall

B

Wood

Perpendicular

 

Minimum

 

A *

(See

 

illustration

 

 

above)

 

Gas

 

 

Termination

 

 

Cap **

 

 

Î

* 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.

Figure 8.10 Multiple Chimney Locations

Heat & Glo • HST-42D • 27177 • Rev AB • 11/08

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Hearth and Home Technologies HST-42D owner manual Chimney Termination Requirements, Flat Roofs