C. Mantel and Wall Projections
WARNING! Risk of Fire! Comply with all minimum clear- ances to combustibles as specified. Framing closer than the minimums listed must be constructed entirely of noncom- bustible materials (i.e., steel studs, concrete board, etc.)
Note: For
Combustible Mantels
Note: All
measurements in inches.
TO CEILING
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MEASUREMENTS FROM
TOP EDGE OF THE OPENING
Figure 13.2 Minimum Vertical and Maximum Horizontal
Dimensions of Combustibles
Note: For
Non-Combustible Mantels
TO CEILING | Note: All | |
measurements | ||
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| in inches. |
MAX.
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1/2 |
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MEASUREMENTS FROM TOP EDGE OF THE
FIRESCREEN DOOR ASSEMBLY
Figure 13.3 Minimum Vertical and Maximum Horizontal Dimensions of Non-Combustibles
Mantel Legs Or Wall Projections Extending Past The Face Of The Fireplace
TOP VIEW |
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| 2 IN. |
FIREPLACE | 4 IN. | MIN. |
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MAX. |
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OPENING |
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| UNLIMITED |
| 6 IN. MIN. |
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= ACCEPTABLE
MANTEL LEG
ZONE
Figure 13.4 Combustible Mantel Leg or Wall Projections (Acceptable on both sides of opening)
D. Facing Material
•Facing and/or finishing materials must not interfere with air flow through louvers, operation of louvers or doors, or access for service.
•Facing and/or finishing materials must never overhang into the glass opening.
•Observe all clearances when applying combustible materials.
| COMBUSTIBLE | |
| FRAMING | |
1/2 IN. THICK | ||
WALL SHEATHING | ||
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| 1/2 IN. | |
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| BOARD | |
1 IN. |
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| ON FRONT FACE (SIDE VIEW) | |
| = AIR SPACE |
Figure 13.5 Framing and Framing Materials-RED60
68 | Heat & Glo • RED60 • |