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Heat & Glo • FDN-4-SS, FDN-5-SS, FDN-6-SS, FDN-7-SS Installation Manual • 16400-9800 Rev. H • 11/19
5 - MANTEL REQUIREMENTS
B. NON-COMBUSTIBLE ZONE -
NOT
USING THE PROVIDED 1/2" STANDOFFS
GLASS VIEWING AREA
BOTTOM 3” TRIM
COMBUSTIBLE MANTEL
COMBUSTIBLE HEARTH
COMBUSTIBLE FACING
MATERIAL
7” ABOVE TOP OF FIREPLACE
COMBUSTIBLE OR NON-COMBUSTIBLE
BACKING MATERIAL (I.E. SHEETROCK)
COMBUSTIBLE OR
NON-COMBUSTIBLE MATERIAL
SINGLE SIDED EXAMPLE: RIGHT SIDE VIEW
APPLIES TO ALL SIDES THAT HAVE A VIEWABLE AREA
1/2” [12.7] CLEARANCE TO COMBUSTIBLES ON SURFACE
The fireplace ships with standoffs in place to ensure a 1/2” clearance to
combustibles is maintained on the surface.
If the standoffs are removed, only non-combustible material can be installed
against the surface.
1/2” [12.7mm] minimum thickness must be used
between the top of the 3” trim extending 15” [381mm] high the full width of
the fireplace. The 15” includes a 7” [178mm] minimum above above the
top of the fireplace that is recommended for ease of attachment.
6” [152 mm]
MINIMUM NON-COMBUSTIBLE ZONE
OPEN AIR SPACE
TOP TRIM
8”
TOP OF TRIM
3”
15”
COMBUSTIBLE FRAMING
Figure 5.2
The fi replace has standoffs installed on the front of the fi replace standard from the factory. They are located on the left,
center and right front hood of the fi replace and are to ensure that the 1/2" [12.7mm] required clearance to combustibles on
the surface of the fi replace is maintained.
If the standoffs are removed, only non-combustible material can be installed against the surface of the fi replace such as a
non-combustible backer cement board. 1/2” [12.7mm] minimum thickness must be used in the 15” [381mm] between the
top of the 3’’ trim to the combustible framing the full width of the fi replace. The 15” includes a 7” [178mm] minimum above
the top of the fi replace that is recommended for ease of attachment.
Refer to Figure 5.2 for requirements when not using the provided 1/2" standoffs.
Refer to Figure 5.1 for a standard installation using the provided 1/2" standoffs.
1/2" [12.7mm] Standoff
WARNING! Risk of Fire!
Comply with all
minimum clearances as specifi ed.
NOTE: Refer to Section 10 for more information on fi nishing the wall.