Step 10 Finishing - Heat & Glo 36DV Installer's Manual

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 non-combustible materials may be used to cover the
fireplace front.
WARNING: WHEN FINISHING THE FIREPLACE,
!
NEVER OBSTRUCT OR MODIFY THE AIR IN-
LET/OUTLET GRILLES IN ANY MANNER.
3-1/2"
36"
Figure 26.
Minimum Vertical and Maximum Horizontal
Dimensions of Combustibles above Fireplace
Height above opening
4"
5"
6"
7"
8"
9"
10"
11"
12"
12"
11"
10"
9"
8"
7"
6"
11-1/2"
5"
12"
4 "
3"
2"
8"
1"
4"
Horizontal Mantle distance
1"
2-1/4"
3-1/2"
4-3/4"
6"
7-1/2"
9"
10-1/2"
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 NON-COMBUSTIBLE
MATERIAL (USING 300° F. MINIMUM ADHESIVE, IF
NEEDED) CAN BE APPLIED AS FACING TO THE FIRE-
PLACE SURROUND. SEE THE DIAGRAM BELOW.
NON-COMBUSTIBLE
HIGH TEMPERATURE (300
NON-COMBUSTIBLE
46-1/2"
HIGH TEMPERATURE (300
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
FINISH WALL
51"
0 0
F /149 C MIN.)
TOP SEAL JOINT
FINISH WALL
51"
0 0
F /149 C MIN.)
12"
12"