Installation manual

FIREPLACE AND HEARTH EXTENSION
ON COMBUSTIBLE F LDOR
OPnOHU NOM-COMBUS
DECORATIVE CWERIAG
COUBVSTlSLE
FLOOR COVERIHC
METAL
SAFETY
HURM EXTEHSIOH
Fl G U RE 38
OR EOUIVALEUT
If a raised headh is constructed, the hearth must be buitt
out of completely noncombustible materials. The height
of the raised hearth cannot extend above the bottom
edge of the fireplace opening.
1 Lrrrau
Hum DmwslOW -SAFEr?
FIGURE 39
OR EaUlVMENT Sf"P-OFFSET
-
WARNING:
HEARTH EXTENSION IS TO BE INSTALLED ONLY
AS ILLUSTRATED. FIGURES 35 THRU 39 SHOW OP-
TIONAL INSTALLATIONS.
MANTLES
1 i
FINISHED WALL
COMBUSTIBLE
- FALSE HEADER
NON-COMBUSTIBLE _/
DECORATIVE FACING
(DO NOT OVERLAP /
SEAL AMY GAP WITH
THE OPENING)
STEEL NON-COMBUSTIBLE
LlKTEL MATERIAL
I FIGURE 40-NON COMBUSTIBLE FACING
)
Combustible mantles may be safely installed provided
they do
not project beyond safety zone as illustrated in
Figure
40.
NOTE: Use an "L" shaped piece of metal (lintel) across
the top of the fireplace opening when a non-combustible
material
is used on the face of the fireplace. It can be
attached to the face of the fireplace with screws (see
Figure 40).
MANTLE SURROUNDS
Often a decorative surround or verlical
rtion of the
P"
mantle is desired. If this is constructed o any wmbus-
tible material it must be
within the safe zone indicated in
Figure
40.
BLACK PORTION OF FRAME
NOT TO BE COVERED WIM
COMBUSTlBLE MATERIALS
r
v EXAMPLE OF
COMBUSnBLE MANTLE
WITHIN SAFElY ZONE
FIGURE 41- -
If the fireplace design incorporates a mantle with side
legs, book shelves, wood bins, closets, etc., Ihese
should not project beyond the
safety zone shown in
figure 41.