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3
INTERIOR STRAIGHT INSTALLATION - MULTIPLE FLOOR (CONT'D)
Step 4. Put this first chimney length in the support.
Turn it clockwise to lock it in place (see Fig-
ure 7).
NOTE: Arrow on pipe label must be pointing up.
Step 5. From below, install a Firestop (FS) in each
floor through which the chimney passes.
Step 6. Stack the next chimney length on the first
length. Be sure that the male and female
threads are not in line when putting the
lengths together. Turn the chimney clock-
wise to lock it in place. You may add a 1/2"
stainless steel self tapping screw to prevent
accidental unlocking. Continue until the re-
quired chimney height is reached.
Step 7. At the attic level, install a Firestop (FS),
from below and an Attic Radiation Shield
(ISIA) and Storm Collar from above (see Fig-
ure 8).
(USA ONLY) Install the Roof Radiation Shield
in the roof joists. This shield consists of four
metal plates supplied with the roof flashing.
Nail one plate to each side of the joist using
(2) - 2 1/2'' nails.
SCREWS
SCREWS
Figure 8
ATTIC RADIATION
(ISIA)
SCREWS
FIRESTOP
(FS)
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Step 8. ROOF FLASHING INSTALLATION
Put the roof flashing in place. Seal the joint
between the roof and the flashing with roof-
ing compound.
For sloping roofs, place the flashing under
the upper shingles and on top of the lower
shingles. Nail the flashing to the roof using
roofing nails.
Place the storm collar over the chimney and
the flashing. Tighten it with the bolt supplied
making sure the joint is properly caulked (see
Figure 9).
Step 9. Attach the rain cap to the top of the
chimney.
Figure 9
SILICONE
CAULKING
9
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