B. Finishing Material
•Combustible Material
Material which is made of or surfaced with wood, compressed paper, plant fibers, plastics, or any material capable of igniting and burning, whether flame proofed or not, plastered or not plastered.
•Non-Combustible Material
Material which will not ignite and burn. Such materials are those consisting entirely of steel, iron, brick, tile, concrete, slate, glass or plasters, or any combination thereof.
Materials that are reported as passing ASTM E 136,
Standard Test Method for Behavior of Materials in a Vertical Tube Furnace at 750° C, shall be considered
•
Sealants which will not ignite and burn: Rutland, Inc. Fireplace Mortar #63 (or equivalent).
After completing the framing and applying the facing material (drywall) over the framing, a bead of
Only
WARNING
Fire Risk
•Use only
•Material such as cement board is acceptable.
C. Mantel
A combustible mantel may be positioned no lower than 12 in. (305 mm) above the top of the fireplace opening. The combustible mantel may have a maximum depth of 12 in. (305 mm). Combustible trim pieces that project no more than
WARNING
Fire Risk
Do NOT obstruct air inlet or outlet grilles.
Finishing materials must not interfere with:
•Air flow
•Operation of doors
•Access for service
D.Sidewalls/Surrounds
Adjacent combustible side walls must be located a minimum of 12 in. (305 mm) from the fireplace opening. If you are us- ing a decorative surround constructed of combustible ma- terial, it must be located within the shaded area defined in Figure 8.7. Short stub walls are also acceptable if they are contained within the shaded area.
E. Glass Doors
This fireplace has been tested and listed for use with doors as specified in Section 12.B. Fireplace Components. Please refer to the manual packed with each set of doors for instal- lation instructions.
Note: The frame of the AED door overlaps the front of the fireplace beyond the opening by 3/4 in. (19 mm) on each side and
WARNING
Fire Risk
Finish all edges and fronts to clearances and specifications.
•Metal fireplace front may be covered with
•Do NOT overlap combustible materials onto fireplace front.
•Install combustible materials up to specified clearances on top front and side edges.
•Seal joints between the finished wall and fireplace top and sides using only a 300° F minimum sealant.
12 in. (305 mm) |
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| BRICK | 4 in. | ||||
| Max. | Header |
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| FLUSH FRONT | FRONT | (102 mm) | |||||
Mantel |
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12 in. |
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(305 mm) |
| (603 mm) | (914 mm) | |||||
6 in. (152 mm) Min. | (502 mm) | |||||||
Min. |
| 50° |
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Top of |
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Fireplace |
| Gas Knockout |
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Opening |
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| 12 in. | 12 in. |
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| (305 mm) | (305 mm) |
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Figure 8.6 | Mantel Specifications |
| Figure 8.7 | Sidewalls/Surrounds |
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| Heat & Glo • | 27 |