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SR/SC Series "A" Woodburning Fireplace
7412948
Insulating Fireplace Enclosure for Cold
Climates
If you live in a cold climate, it is not required but
highly recommended that you insulate fireplace
enclosure to eliminate cold air penetration as much
as possible.
Insulate base of fireplace with a noncombustible in
-
sulation rated for a minimum of 300°F. Insulating is
very important for outside wall installations over a
concrete slab. If fireplace is installed on a platform,
insulation should be placed on top of the platform
before fireplace is set. (Fig. 10)
When a fireplace is installed in a chase or on an
outside wall, enclosure should be treated like any
outside wall in a home. Insulation should be in-
stalled on the inside wall as well as the outside
wall(s). In a chase, it is also a good idea to install a
firestop at the first ceiling level above the fireplace
and enclose the chase with sheeting material. Insu-
lation may then be installed above sheeting material
to assure the space around the fireplace is totally
protected. (Fig. 5)
When installing the chimney,
DO NOT caulk be-
tween outer pipe and firestop. It is vital that some
air be allowed to flow through this very thin gap.
CAUTION: WHEN INSTALLING A FIREPLACE IN
AN INSULATED ENCLOSURE, BE SURE ALL RE
-
QUIRED AIR SPACES ARE MAINTAINED. (Page
14, Fig. 20)
Installation
Chimney Supports
The chimney system is supported by the fireplace for
vertical chimney heights less than 30' (9m) above the
hearth. Chimney supports are required if the vertical
height exceeds 30' (9m) with SK8 chimneys or 20'
(6m) with 3-wall chimneys. Locate chimney supports
at ceiling holes or other structural framing at 30' (9m)
(SK8) or 20' (6m) (3-wall) heights. Spacing between
chimney supports must not exceed 30' (9m) (SK8) or
20' (6m) (3-wall). Use Chimney Support Model SKCS8.
(NOTE: The SKCS8 can not be mounted directly to
the fireplace.) Support provided by elbow straps fulfills
the support requirement only if they are spaced as pre-
viously described. (A chimney support is 2¹⁄₂" (64mm)
long when installed.)
Angled chimney runs require a support every 6' (1.8m)
in addition to the elbow straps. Chimney supports are
used for this function. (Fig. 9)
Chase Installation
A chase is a vertical box like structure which encloses
the fireplace and/or chimney. Chases are typically built
on the outside of the house with fireplace opening cut
into the outer wall of a room. (Page 5, Fig. 5)
If you need help in determining fireplace location or
how the chimney system should be run, contact your
Majestic Fireplaces dealer for assistance.
FP284
Fig. 9 Chimney support installation
FP284
MBUF
5/25/96
Chimney Sup-
port Strap
SKCS8