MartinLogan VENT-FREE FIREPLACE SYSTEMS 33ISDG User Manual

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FIREPLACE FRAMING 
If unit is to be “built in,” fireplace framing can be built 
before or after the appliance is set in place. BE SURE 
THAT ALL PACKING MATERIAL HAS BEEN 
REMOVED FROM THE UNDERSIDE OF THE 
UNIT PRIOR TO SETTING THE FIREBOX IN 
PLACE. 
Construct fireplace framing following Figures 
11 through 14. See Figure 6 on page 11 
for fireplace 
dimensions. The framing headers may not rest directly 
on top of the firebox.
The fireplace may be installed directly on a combustible 
floor or a raised platform of an appropriate height. Do 
not place fireplace on carpeting, vinyl, tile or other soft 
floor coverings. It may, however, be placed on flat wood, 
plywood, particle board or other hard surfaces. Be sure 
fireplace rests on a solid continuous floor or platform 
with appropriate framing for support and so that no cold 
air can enter from under the firebox.
Figure 12 - Inner Wall Installation 
Figure 14 - Corner Installation 
Figure 13 - Stud Location 
Figure 11 - Outer Wall Installation 
Header