Heatilator • HEIR36, HEIR42, HEIR50 Installation Manual • 2285-980 Rev. G • 12/14
44
C. Mantel and Wall Projections
WARNING! Risk of Fire!
Comply with all minimum clear-
ances as speci
fi
ed. Framing closer than the minimums list-
ed must be constructed entirely of non-combustible materi-
als (i.e., steel studs, concrete board, etc.).
Combustible Mantel Legs or Wall Projections
Non-Combustible Mantel Legs or Wall Projections
FIREPLACE
OPENING
COMBUSTIBLE OR
NON-COMBUSTIBLE
WALL
14 IN. MIN.
NON-COMBUSTIBLE
COLUMN
6 IN. MAX.
1/2 IN. BUILDING MATERIAL
FACTORY-SUPPLIED
NON-COMBUSTIBLE
BOARD
SEE SECTION 10.D
FOR REQUIRED
CLEARANCES
7 IN.
MIN.
FIREPLACE
OPENING
COMBUSTIBLE OR
NON-COMBUSTIBLE WALL
14 IN. MIN.
COMBUSTIBLE
COLUMN
4 IN. MAX.
1/2 IN. BUILDING MATERIAL
FACTORY-SUPPLIED
NON-COMBUSTIBLE
BOARD
NO COMBUSTIBLES
IN HATCHED AREA
1/2 IN. BUILDING MATERIAL
(MAY BE COMBUSTIBLE)
FACTORY-SUPPLIED
1/2 IN.
NON-COMBUSTIBLE
BOARD
PIPE IS FOR VISUAL
REFERENCE ONLY
1 IN.
= COMBUSTIBLES
NOT ALLOWED
39 IN.
2 X 4 FRAMING
MATERIAL
Figure 10.6 Combustible Mantel Leg and Wall Projections
Figure 10.7 Non-Combustible Mantel Leg and Wall Projections
Figure 10.8 Non-Combustible Zone
Non-Combustible Zone
When installing a mantel, provisions must be made
in order to secure the mantel to the adjacent framing
materials. For example, lintel brackets or lag bolts may
be considered for this purpose.