Fireplace Installation
Continued
8" | MIN. |
| |
(20. | |
| 3cm) |
|
| 36 | 1 |
|
|
|
|
|
|
|
| / |
|
|
|
| |
|
|
| 2" |
|
|
| . | |
52 | / (92. MIN. |
|
|
| ||||
1 |
|
| 7cm) |
|
|
|
| |
| 2" |
|
|
| MIN |
| ||
| .MIN. | 16" |
|
| ||||
(133 | 3cm) |
|
|
| ||||
|
|
|
| . |
| |||
|
|
|
|
| (40 |
| 6cm) | |
|
|
|
|
|
|
|
| |
|
|
|
|
| NONCOMBUSTIBLE |
|
|
|
|
|
|
|
| HEARTH EXTENSION |
|
|
|
Figure 9 - Hearth Extensions |
|
|
| |||||
|
|
|
|
| Noncombustible | |||
|
|
|
|
| Hearth |
|
|
|
|
|
|
|
| Extension |
|
|
|
|
|
|
|
| 8" Max. |
|
| |
1 1/2" Typ. | “Z” Type Ember | |||||||
Protector |
|
|
| |||||
|
|
|
|
| Noncombustible |
|
|
|
|
|
|
|
| Hearth Extension |
|
|
|
|
|
|
|
| “K” Factor |
| ||
|
|
|
|
| .84 |
|
|
|
1 1/2" Typ. |
|
|
|
| ||||
|
|
|
|
| Ember Protector | |||
Figure 10 - Raised Hearth Extension
Mantel Clearances
Woodwork such as wood trims, mantels or any other combustible material projecting from
the front face must not be placed within 9" of fireplace opening.
Combustible materials above and projecting more than 1 1/2" from the fireplace front face (see Figure 11) must not be placed less than 12" from effective opening of the fireplace (NFPA STD 211, Sec.
Mantels or any other combustible material may also come up to the side edge of the black metal face of the fireplace only if the projection from the front face falls within limits shown in Figure 12.
| 2" X 4" Stud | |
Drywall |
| |
Combustible |
| |
Materials |
| |
33° |
| |
6" Nom. |
| |
(15.2 cm) |
| |
12" Min. |
| |
(30.4 cm) |
| |
9" Min. |
| |
(22.8 cm) | Fireplace Side View | |
Front | 3" Nom. | |
Face | (7.6 cm) | |
Fireplace Front View | 1 1/2" Max. | |
(3.8 cm) | ||
|
Figure 11 - Mantel Clearances to
Combustible Materials
Top View of Fireplace |
| Seal Gaps with | |
| Noncombustible | ||
Drywall |
| ||
| Mortar or Adhesive | ||
4" |
|
| 2 3/4" Max. |
|
| (6.98 cm) | |
(Approx.) |
|
| |
|
|
| |
(10.1 cm) 33° |
|
|
|
Nom. |
|
|
|
| 4 3/8" |
| Combustible |
| Min. |
| Material Must |
6" Nom. | (11.1 cm) | Not Overlap | |
|
| Black Metal | |
(15.2 cm) |
|
| Front Face |
Figure 12 - Mantel Clearances to Metal
Face
Venting Installation
Optional Outside air Kit
The installation of an outside air kit should be performed during the rough framing of the fireplace due to the nature of it’s location. Outside combustion air is accessed through and exterior wall or a vented crawl space.
Maximum height for air inlet above the fireplace platform must be no less than 3 feet below chimney cap.
For further details on installation of outside air kit, please refer to instructions included with air kit.
CAUTION:Airinletductsmust
not terminate in attic space.
6 | www.fmiproducts.com |