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Clearances H38DF*ST
When installing a shelf over the top of the fireplaces, the following
guidelines must be adhered to:
For Side Vent applications, the minimum clearance is 2" from the side of
the fireplace to a wall, or any combustible materials, and 10" clearance
from the top of the fireplace to the underside of any combustible shelf
materials.
For Top Vent applications, the minimum clearance is 2" from the side
of the fireplace to a wall, or any combustible materials, and 17 1/2" to
the underside of any combustible shelf materials.
1" clearance is maintained on sides and bottom of vent runs and 2"
above horizontal vent runs to any combustible material.
Clearances H42DF*ST
When installing a shelf over the top of the fireplaces, the following
guidelines must be adhered to:
For Side Vent applications, the minimum clearance is 2" from the Side
of the fireplace to a wall and 12" clearance from the top of the fireplace
to the underside of any combustible shelf materials.
For Top Vent applications, the minimum clearance is 2" from the Side
of the fireplace to a wall and 19" to the underside of any combustible
shelf materials.
1" clearance is maintained on sides and bottom of vent runs and 2"
above horizontal vent runs to any combustible material.
H*38DF*-ST
10"
17½"
2"
H*42DF*-ST
12"
19"
2"
Figure 4. Combustible Wall Clearances
† Note: Clearance from top of fireplace to a ceiling within the fireplace
enclosure.
** Note: For mantel clearance, please refer to Section 6: Finishing
XG0207 - 170223
0"
See Section 6
Finishing around the
fireplace
0"
Installing the Nailing Flange Extension
Note: The nailing flange extension can be substituted with a
piece of NON-Combustible material of the same size and thermal
characteristics, ie: cement board or equivalent. This is recommended
in applications where the facing materials will not adhere to the
metal nailing flange.
Once the fireplace is placed into the rough framed opening, the supplied
Nailing Flange Extension (Part No. H42074) must be fasten securely
into place, with nails or wood screws.
Figure 4.b Installing standoffs
The Supplied nailing extension must be placed along the top edge of
the fireplace and securely fastened in place to the non combustible
header and combustible wood framing.
Installation
9
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