7
Jøtul C
350
Winterport 138376_Rev_Q 2 / 17
Hearth Protection Requirements
The floor area in front of fireplace insert must be
protected from live sparks and radiant heat.
• Materials:
Hearth protection must be non
combustible insulating board, or the equivalent
mortared masonry material. Alternate protection
must composed of materials as specified by NFPA
211.
• Protected Area:
16” Deep x 34 1/2” Wide, for both the
U.S. and Canada.
A) Front -
The protection must extend at least 16
inches (406 mm) forward from the fireplace insert
door opening.
B) Sides -
Protection must extend 17 1/4 inches (438
mm) to both sides of the centerline of the insert. See
fig 5.
• Flush Hearth:
Where the hearth construction is flush with
combustible floor materials, the insert must be
elevated with use of the 2” Riser Bar supplied. See fig.
4.
• Raised Hearth:
Where the hearth construction is a minimum of 2
1/2” thick, the insert may be installed without use of
the Riser Bar.
See fig. 4a.
Figure 4a. Minimum raised hearth requirement.
Riser Bar not required.
Min.
16” from
door
opening
2 1/2”
Figure 4. Required hearth protection if flush with
combustible floor materials. Riser Bar must be installed.
Combustible
Flooring
Zero-clearance fireplace installation, cont’d.
• Alteration of the zero-clearance fireplace
functionality or structure is not permitted; i.e.
firebrick or refractory panels MUST NOT be be
removed to accommodate the fireplace insert
installation. Alteration of the zero-clearance fireplace
is limited to:
a) removal of the damper for liner installation
b) removal of external, nonfunctional trim which
then must be stored within the fireplace for potential
future re-assembly.
• Fireplace Conversion Notice PN 220508 must be
permanently attached to the back of the fireplace.
This metal label is included in the bag containing this
manual.
• Means must be provide to properly support the front
of the insert if it projects from the fireplace front.
The weight of the insert must not compromise the
structural integrity of the zero-clearance fireplace.
• Means must be provided to remove the insert or
baffle to facilitate cleaning the chimney flue.
• Final approval is contingent on the authority having
local jurisdiction.