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8
SHR Series Woodburning Fireplace
20001384
Installation
Chimney Supports
The chimney system is supported by the fireplace for
vertical chimney heights less than 30 feet above the
hearth. Chimney supports are required if the vertical
height exceeds 30 feet with 11CF chimneys. Locate
chimney supports at ceiling holes or other structural
framing at 30 foot heights. Spacing between chimney
supports must not exceed 30 feet. Use Chimney
Support Model 11CS. (NOTE: The 11CS can not be
mounted directly to the fireplace.) Support provided
by elbow straps fulfills the support requirement only if
they are spaced as previously described. (A chimney
support is 2¹⁄₂" long when installed.)
Angled chimney runs require a support every six (6)
feet in addition to the elbow straps. Chimney supports
are used for this function. (Fig. 9)
Chase Installation
A chase is a vertical boxlike 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 Majes-
tic Fireplaces dealer for assistance.
Insulating Fireplace
Enclosure for Cold Climates
If you live in a cold climate, it is not required but
highly recommended that you insulate the fireplace
enclosure to eliminate cold air penetration as much
as possible.
Insulate base of fireplace with a noncombustible
insulation 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 installed
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. Insulation may
then be installed above sheeting material to assure
the space around the fireplace is totally protected.
(Fig. 5)
CAUTION: WHEN INSTALLING A FIREPLACE IN
AN INSULATED ENCLOSURE, BE SURE ALL RE-
QUIRED AIR SPACES ARE MAINTAINED. (Page
15, Fig. 19)
IWF284
MBUF
5/25/96
FP284
Fig. 9 Chimney support installation
Chimney Support
Strap
11CS