3
Mark appropriate cutting lines around the center
point. Cut a square hole in the ceiling. Frame a
level, square opening centered over the hole that
you have cut. Frame openings at each floor level
above the fireplace. See
FIG. 3
. These openings
are to hold the Firestop and Attic Insulation Shield.
Locate each opening by dropping a plumb bob to
the four corners of the opening below. Maintain the
2 inch airspace to combustibles. See
FIG. 4
.
TABLE 1
FIG. 3
Frame Opening Dimensions
Flue Diameter
Framing Dimensions
12.5” ID
19.5” X 19.5”
Attach Chimney:
Attach the first section of chimney
on the Anchor Plate. The joint assembly is a male
to female slip fit and held together with button lock
tabs. See
FIG 2
. Maintain a 2 inch clearance to
combustibles. Do not fill the clearance space with
any materials. If an offset is required, refer to Elbow
Offset Installation Section.
CAP
STORM COLLAR
FLASHING
ATTIC INSULATION SHIELD
FIRESTOP
CHIMNEY
ANCHOR PLATE
FIREPLACE
FIRESTOP
CHIMNEY
CEILING/FLOOR
CEILING/FLOOR
CHIMNEY
ISOWOOL BLANKET
Frame Openings:
From the ceiling, drop a plumb
bob to the center of the fireplace’s flue outlet and
mark the center point on the ceiling. Refer to
TABLE 1
for the framing dimensions.
FIG. 2
FEMALE END
MALE END
BUTTON LOCK
KNOCKOUT
FOR LOCK
