![Step 10. Finishing](/images/new-backgrounds/53971/5397145x1.webp)
Step 10. Finishing
Figure 26 shows the minimum vertical and corresponding maximum horizontal dimensions of fireplace mantels or other combustible projections above the opening edge of the fireplace. See Figures 2 and 3 for other fireplace clearances.
Only
WARNING: WHEN FINISHING THE FIREPLACE, ! NEVER OBSTRUCT OR MODIFY THE AIR IN-
LET/OUTLET GRILLES IN ANY MANNER.
|
| |
36” |
|
|
|
| 12” |
|
| 11” |
|
| 10” |
|
| 9” |
|
| 8” |
| 6” | 7” |
| ||
5” | 12” | |
| 4 ” | |
| 3” |
|
| 2” | 8” |
1” |
| |
| 4” |
|
Figure 26.
Minimum Vertical and Maximum Horizontal Dimensions of Combustibles above Fireplace
Height above opening | Horizontal Mantle distance |
4" | 1" |
|
|
5" | |
|
|
6" | |
|
|
7" | |
|
|
8" | 6" |
|
|
9" | |
|
|
10" | 9" |
|
|
11" | |
|
|
12" | 12" |
|
|
CAUTION: IF JOINTS BETWEEN THE FINISHED WALLS AND THE FIREPLACE SURROUND (TOP AND SIDES) ARE SEALED, A 300° F. MINIMUM SEALANT MATE-
RIAL MUST BE USED. THESE JOINTS ARE NOT RE- QUIRED TO BE SEALED. ONLY
FINISH WALL | ||
| 51” |
|
|
| 12” |
| HIGH TEMPERATURE (3000F /1490C MIN.) | |
| TOP SEAL JOINT |
|
FINISH WALL | ||
| 51” |
|
|
| 12” |
|
| |
HIGH TEMPERATURE (3000F /1490C MIN.) | ||
| TOP & SIDES SEAL JOINT |
|
Figure 27. | Sealant Material |
|
!WARNING: A 12” minimum hearth extension is required to protect combustible floor con-
struction in front of the fireplace in certain instal- lations. This hearth must be constructed of non- combustible material and extend the width of the fireplace (see Figures 4 and 5).
23