Installation
900079-00, 06/2017
Innovative Hearth Products
Sirius™ Linear Direct-Vent Gas Fireplaces
41
17.
Install the Finishing Materials
NOTE: See Cold Climate Insulation on
Page 11
and Vent Termination Clearances on
Page 13
.
1. Complete finished interior wall. Maintain a minimum 1” (26 mm) clearance from the door frame outer edge to
any finish material.
NOTE: NEVER install combustible material (wall finish, surround, trim, etc.) on, in front of, or overlapping any
part of the fireplace front face.
Figure 36 - Nailing flange attachment
Side
framing
Unit nailing flange
(no clearance to combustible
framing is required)
NOTE: See
Page 18
for finishing materials
thinner than 1”.
Finishing without optional Surround—Cleanface Finish
1. Secure nailing flanges to wall framing.
NOTE: The fireplace ships from factory with the flanges positioned for a cleanface installation.
NOTE: Install a second, field-supplied noncombustible board over the supplied noncombustible board. The
fireboard supplied with the unit is not intended to be the finish material.
2. Install non-combustible fiberboard at top of fireplace.
NOTE: If skimming the non-combustible fiberboard to match drywall, use Sheetrock
®
brand Durabond
®
90
setting type joint compound to fill all joints. These trademarks are owned by United States Gypsum Company or
a related company. A total of 1” non-combustible material is recommended.
3. Finish out wall with 1/2” finishing materials – paint with high-temperature paint, etc.
4. Install floor and media.
5. Reinstall door and barrier.
Figure 37 - Noncombustible Material with Cleanface Finish
(1 ea.) Top non-combustible fireboard is
required
(provided). Secure it to the nailing
flange.
(2 ea.) Side non-combustible fireboard is
optional
(provided). Secure it to the nailing
flange. Do NOT install the side fireboards
if an optional surround is to be installed.
NOTE: The provided non-combustible fiberboard may be skim coated as a finish material, however, other types of
non-combustible board may provide a more durable surface.