FMI MASONRY FIREBOX MM33 - Manual (Page 8)

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WaRnInG: Failure to position the parts in accordance with these diagrams or failure to use only
parts specifically approved with this appliance may result in property damage or personal injury.
18" MIN*
½"
MIN**
2" MIN. CLEARANCE TO
COMBUSTIBLES AROUND
SIDES, REAR AND TOP OF
FIREPLACE DOME
W
*IF WOOD FRAMING IS UTILIZED IT
MUST BE HELD 18" MIN. FROM TOP
OF LINTEL AND 2" MIN.CLEARANCE
MUST BE MAINTAINED ALL AROUND
FIREPLACE DOME.
**IF METAL FRAMING IS USED MAINTAIN
A ½ INCH MIN. AIR SPACE FROM TOP
OF LINTEL.
Model W
MM33 41”
MM39 47”
MM44 52”
MM49 57”
MM63 71”
MAINTAIN THE 2" CLEARANCE TO
COMBUSTIBLES ABOVE THE DOME. DO
NOT ATTACH COMBUSTIBLE MATERIALS
ON TOP OF THE DOME.
Figure 7: Framing Dimensions for Non-Combustible Floor Systems
* MINIMUM CLEARANCE TO COMBUSTIBLE MATERIALS.
** MEASURED FROM FLOOR TO TOP OF FIREBRICK LINER.
18" MIN*
MAINTAIN THE 2" CLEARANCE
TO COMBUSTIBLES ABOVE
THE DOME. DO NOT ATTACH
COMBUSTIBLE MATERIALS
ON TOP OF THE DOME.
H**
8" MIN*
Condition dim. H**
with 6" platform 10"
with 8" platform 12"
without platform 3"
NON-COMBUSTIBLE
FACING (NOT SUPPLIED).
Figure 6: Framing Dimensions for Combustible Floor Systems
pre-installation preparation
Continued