Termination Clearances
Termination clearances for buildings with combustible and noncombustible exteriors.
Inside Corner | Outside Corner | Recessed Location |
|
|
| B = |
| A = |
| Combustible |
A | Combustible |
| 6"(152mm) |
|
| ||
| 6"(152mm) | V | Noncombustible |
| Noncombustible | 2"(50mm) | |
|
| ||
V | 2"(50mm) | B |
|
Balcony - |
| Balcony - |
|
with no side wall |
| with perpendicular side wall | |
| G | H |
|
|
|
| |
| V |
| V |
|
| Combustible & | J |
G = |
|
| |
|
| ||
Combustible& |
|
| |
|
|
| |
H = 24"(610mm) |
| ||
12"(305mm) |
| J = 20"(508mm) |
|
|
|
| |
D 
CC
E 
V
C = Maximum depth of 48" (1219mm) for recessed location.
D = Minimum width for back wall of a recessed location. Combustible 38"(965mm) Noncombustible 24"(610mm)
E = Clearance from corner in recessed location. Combustible 6"(152mm) Noncombustible 2"(50mm)
Fig. 11
GENERAL INFORMATION ON ASSEMBLING
THE VENT PIPES WITH CRIMPED ENDS
Before joining elbows and pipes apply a bead of high temperature sealant to crimped end of elbow or pipe. (Fig.12) Join pipes and secure joints with three (3) sheetmetal screws. (See Fig. 12) Wipe off excess sealant.
BEAD LOCATION
1" FROM CRIMPED END OF PIPE
1''
Screw Holes
Fig. 12
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