14
FRAMING
3.5 Floor Support and Protection
• The fireplace must be placed directly on a wood or non-
combustible surface (not linoleum or carpet) extending the
entire depth and width of the fireplace.
• If this appliance is to be installed directly on carpeting, tile,
or other combustible material other than wood flooring,
this appliance shall be installed on a metal or wood panel
extending the full width and depth of the appliance.
• If the appliance is to be installed above floor level, a
solid, continuous platform must be constructed below the
appliance.
• Consider the height of hearth finish material (stone, brick,
et cetera) when building a fireplace platform. The bottom of
the fireplace must be level with finished hearth to allow for a
proper fit of the safety barriers.
• Build the hearth to desired size and height. If a hearth
extension is desired, combustible material may be used.
3.6 Recess Construction
WARNING: All clearances to venting must be maintained.
Mounting a television above a fireplace has become a common
practice. Television surface temperatures are affected by mantel
depth, ceiling heights, and wall and mantel construction material.
Most television manufacturers specify in their instructions that a
television should not be installed on, near, or above a heat source.
Television location rests solely on the homeowner. It is the
homeowner’s responsibility that the preferred TV mounting and
mantel design will not exceed the listed maximum operation
temperature of their electronic goods.
Tests performed determined that surface temperatures did
not exceed 150°F (66°C) when a 4¼ in (108mm) deep recess
is constructed above the fireplace. See illustrations below.
Figure 3.4, Recess Framing
Figure 3.5, Framing Clearances for Recess Construction
62
¼
”
(1581mm)
31
3⁄16
”
(792mm)
1” (25mm) MINIMUM
CLEARANCE TO VENTING
4
¼
” (108mm)
MAXIMUM DEPTH
FIREPLACE ENCLOSURE FLOOR
4
¼
”
(108mm)
36
7⁄8
”
(937mm)
71
1⁄8
”
(1807mm)
19”
(483mm)
62
¼
”
(1581mm)
