
INSTALLATION - Combustible Wall Chimney Connector
A
Min. 12 in. (304.8mm)
to Combustibles
Min. Chimney Clearance to Brick & Combustibles – 2 in. (50.8mm)
| Min. Clearance 12 in. |
Flue | (304.8mm) of Brick |
| |
Chimney | Chimney |
| |
| Connector |
| Fire Clay |
| Liner |
Method A. 12” (304.8 mm) Clearance to Combustible Wall Member: Using a minimum thickness 3.5” (89 mm) brick and a 5/8” (15.9 mm) minimum wall thickness clay liner, construct a wall
| B | Min. Chimney Clearance from Masonry to Sheet Steel |
| Method B. 9” (228.6 mm) Clearance to Combustible Wall Mem- | |||
| ber: Using a 6” (152.4 mm) inside diameter, listed, | ||||||
|
| Supports & Combustibles – 2 in. (50.8mm) |
|
| |||
|
|
| Nonsoluble | Min. Clearance | |||
|
|
| Refractory | 9 in. (228.6mm) | build a wall | ||
|
| Factory Built | Cement | Chimney | between the outer wall of the chimney length and wall combusti- | ||
|
| Chimney Length |
|
| Connector | bles. Use sheet metal supports fastened securely to wall surfaces | |
|
| Chimney Length |
|
| on all sides, to maintain the 9” (228.6 mm) air space. When fas- | ||
|
| Flush with In- | Use Chimney | ||||
|
| side of Flue | Mfrs. Parts to | tening supports to chimney length, do not penetrate the chimney | |||
|
| Air Space – 9 in. | Chimney Flue | Attach Connec- | liner (the inside wall of the | ||
|
| (228.6mm) Min. |
| tor Securely | the | ||
|
|
| |||||
|
|
|
| Masonry | masonry chimney flue, and sealed with a | ||
|
|
|
| Listed Factory- | tory cement. Use this cement to also seal to the brick masonry | ||
|
|
|
| Chimney | Built Chimney | ||
|
|
|
| Sheet Steel Supports Length | penetration. |
| C | Min. Chimney Clearance from Masonry to Sheet Steel | ||||
|
| Supports & Combustibles – 2 in. (50.8mm) | ||||
|
|
|
|
| 2 Air Channels, Each 1 | |
|
|
|
|
| in. (25.4 mm) | |
|
|
| Flue |
| Chimney | |
|
|
|
| Connector | ||
|
|
| Chimney |
| ||
| 2 Ventilated Air |
| Fiber Insulation | |||
|
|
|
|
| Min. 6 in. | |
|
|
|
|
| (152.4mm) glass | |
| Channels, Each |
|
|
|
| |
| 1 in. (25.4 mm) | Masonry | Sheet Steel Supports | |||
| Construction of | |||||
| Sheet Steel | Chimney |
|
|
| |
|
|
|
|
| ||
|
|
| Min. Chimney Clearance | |||
| D |
| ||||
|
| from Masonry to Sheet | ||||
|
|
| Steel Supports & Com- | |||
|
|
| ||||
|
|
| bustibles – 2 in. | Min. Clearance | ||
|
|
| (50 8 ) |
| ||
|
| Sheet Steel |
| 2 in. (50.8 mm) | ||
|
| Supports |
| 1 in. (25.4 mm) | ||
|
| Chimney |
| |||
|
|
| Air Space to | |||
|
| Section |
|
| Chimney | |
|
|
|
|
| Length |
Chimney
Connector
Chimney
Method C. 6” (152.4 mm) Clearance to Combustible Wall Member: Starting with a minimum 24 gage (.024” [.61 mm]) 6” (152.4 mm) metal chimney connector, and a minimum 24 gage ventilated wall thimble which has two air channels of 1” (25.4 mm) each, construct a wall
Method D. 2” (50.8 mm) Clearance to Combustible Wall Mem- ber: Start with a
Air Space – 2 in.
Connector
ney section on both sides with 24 gage minimum sheet metal sup-
(50.8mm) Min.Chimney
Masonry Sheet Length
Chimney Steel
Supports
ports. See that the supports are fastened securely to wall surfaces on all sides. Make sure fasteners used to secure chimney section do not penetrate chimney flue liner.
NOTES:
1.Connectors to a masonry chimney, excepting method B, shall extend in one continuous section through the wall
2.A chimney connector shall not pass through an attic or roof space, closet or similar concealed space, or a floor, or ceiling.
3.Where passage through a wall, or partition of combustible construction is desired, the installation shall conform to
PAGE 12