Hearth Extension Construction - Osburn STRATFORD II OB04007 Installation And Operation Manual

8.6

Hearth Extension Construction

This fireplace can be installed directly on the floor or on a raised base, combustible or not. The
installation can be done according to one of the following options :
OPTION INSTALLATION TYPE
#1 On floor level
#2 Raised base of 4" or less
#3 Raised base of more than 4"
8.6.1 Option #1 - Floor Level Installation
D
D
8.6.2 Option #2 - Raised Base Installation of 4" or Less
D
E
D
Installation and Operation Manual - Stratford II
R FACTOR
REQUIRED
Yes (1.00)
Yes (1.00)
No
When the fireplace is installed directly on the floor,
a non-combustible floor protection of at least 16"
(A) with an R factor of 1.00 must be installed in
front of the fireplace.
The joint between the floor protection and the
fireplace must be protected over the entire width
A
of the floor protection by a folded and continuous
metal sheet (D = min 2" [51 mm]) (not supplied).
A clearance of 80" (2.03 m) between the base of
the fireplace and the ceiling must be respected.
The minimum floor height under the fireplace
should match (or exceed) the height of non-
combustible materials used for floor protection.
A
F
E
NON-COMBUSTIBLE FLOOR
PROTECTION DEPTH
16" (406 mm)
16" (406 mm)
16" (406 mm)
When the fireplace is installed on a
raised base of 4" or less (E), a non-
combustible floor protection of at least
16" (A) with an R factor of 1.00 must
be installed in front of the fireplace.
The joint between the floor protection
and the fireplace must be protected over
the entire width of the floor protection
by a folded and continuous metal sheet
(D = min 2" [51 mm]) (not supplied).
It is recommended to make the sheet
metal in one piece.
A clearance of 80" (2.03 m) (F) between
the base of the fireplace and the ceiling
must be respected.
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