Mantel And Facing - Lennox MONTECITO ESTATE Installation And Operation Instructions Manual

Insulated Chase Construction
Roof Support
Attic
Radiation
Shield
7 Ft.
Min.
6' 8"
Min.
Insulate Joists
Same As Ceiling
Draft Stops
1/2" Plywood
* Floor
Firestop
Ceiling
Wall
CTDT
Termination
Note: Non-
• Must have the same firestopping
Combustible
Chase
resistance as adjacent wall.
Flashing
• Must have the same insulation as
Must Be
adjacent ceiling.
Used To
Cover
• Follow local rules regarding fram-
Chase
ing construction.
Opening
8'
Level
Insulation
(Thermal Barrier)
Figure 11
FACING
Storm
Collar The facade must be removable
Flashing
once installed. The facade is
designed to overlap any facing
* Floor
Ceiling
material installed on the front of
Wall
the fireplace. If thicker material
is installed, use the facade as a
template and make sure it can be
easily removed for servicing.
1. Combustible material must be installed flush
with the fireplace. It may not project in front
of and on the fireplace (i.e. the steel facade
Firestop
of the fireplace) (Figure 14).
Note: Floor
and wall
2. Non-combustible materials such as brick,
below the
stone or ceramic tile may project in front of
attic must
and onto the fireplace facing (Figure 12).
be insulated
using the
same

MANTEL and FACING

insulation.
The mantel must be installed at least 56"
(1143 mm) above the base of the fireplace
Drywall or
(Figure 13).
Any Rigid
Material
2" x 4"
1
2
1
Optional
Insulation
In Outside
Walls Of
Chase
2
1. Fireplace
2. Front of fireplace
Solid
3. Wood frame (2" x 3" min)
Continuous
4. Drywall
Surface
5. Tiles
6. Rock board or other
Outside 7. Brick
Base
Figure 12
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
IMPORTANT
Fireplace Frame Section
(Top View)
3
5
6
3
4
7
Mantel and Facing
(Side View)
Mantel
56"
Rock Board
or Other
Noncombustible
Facing
Drywall
Rock Board
or Other
Noncombustible
Facing
Figure 13
Only non-combustible material
should be superposed or project-
ing over the front of the fireplace.
4
Figure 14
Drywall
2" X 3" Min.
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50"
Min.
11