12
CLEARANCE TO COMBUSTIBLES
Opening to Side wall
28”
Opening to Combustible Trim
12’
Opening to Combustible Mantle with 8” Depth
16”
Noncombustible Hearth Extension
20” front, 8” each side
Firebox and Smoke Chamber
to Combustibles or Framing
1”
Smoke Chamber to Front Wall
and Smoke Chamber Top to Wood Framing
1”
MANTLE
TRIM
HEARTH EXTENSION
SIDEW
ALL
TILE/MARBLE
16”
28”
12”
8”
FIGURE 2.1
Failure to maintain stated minimum clearance to combustibles may result in a fire or explosion, causing property damage,
personal injury, or loss of life.
FIGURE 2.2
1”
Do not pack required air spaces with insulation or other
materials. Using insulation or other materials in required
air spaces may result in a fire or explosion, causing property
damage, personal injury, or loss of life.
NOTE
: “Combustibles” are defined as “normal construction
materials” and are considered to be: wood framing materials,
particle board, mill board, plywood sub-flooring, plywood
paneling, wood flooring, and drywall.
The fireplace must sit on a concrete pad or slab that is designed to
bear the total weight of the fireplace and chimney. This pad or slab
should provide for the noncombustible hearth extension substrate
needed to support the code required noncombustible hearth
extension finish materials.
This fireplace can be installed on a combustible surface only when
using the LiteRock installation method (refer to pages 28-30).
All fireplaces should have a noncombustible hearth that extends
20” beyond the front of the firebox and 8” to either side. Approved
noncombustible materials include brick, tile, or stone that is
properly supported, with no combustible material against the
underside.
Содержание FIREROCK CALIFORNIA CONVENTIONAL
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