*
* Caution:
A minimum 2" thick non-combustible hearth extension extending 18" in front of this fi replace
must be fi tted if a combustible sub fl oor extends in front of the fi replace. To ensure that the
hearth does not interfere with the window frame the fi replace must be raised to ensure that
the hearth extension is no more than 1" above the bottom of the fi replace.
The fi replace can be raised using combustible or non-combustible materials ensuring that
it is fully supported along the full width and depth of the fi replace.
NON COMBUSTIBLE
FINISH MATERIAL
This fi replace may be recessed up to a
maximum depth of 6”, this recess must
be constructed from non combustible
material. The space between the
outside lintels and the fi rebox must be
completely free of any obstruction or
debris and the window with trim fi tted
must be able to move freely. No building
material is permitted to protrude past
the lintel bars attached to the fi replace
under ANY circumstance.
Fig. #20b
FRAMING
EDGES
GLASS
FRAME
HEARTH EXTENSION
WINDOW FRAME
WINDOW TRACK
SUB-FLOOR
(See
Caution)
Fig. #16
12
TC54.CE2 080211-36
Hearth Extension
