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CHIMNEY INSTALLATION INSTRUCTIONS
1. Cut and frame the holes in the ceiling, floor
and roof where the chimney will pass (see
Figure 22). Use a plumb-bob to line up the
center of the holes. The sizes are indicated
in Table 2 for the floor and ceiling holes
and Table 3 (Page 17) for the roof holes.
CHIMNEY MODEL
ASHT / HT6103+ *
DuraTech DTC **
S-2100+ / HT6000+ *
AC
NOTE: See Table 3 for Sloped Roof Framing
Table 2 - Flat Roof Framing
Figure 22 - Roof Framing
2. From below, install a firestop in each ceiling/
floor separation through which the chimney
will pass. At the attic level, install an attic
radiation shield from above (Figures 23a
through 23d).
3. For ASHT / HT6103+ AND S2100+ / HT6000+
chimneys
place the first chimney length on
*
the fireplace. To lock it in place, turn 1/4 of
a turn clockwise. With the AC chimney
you must use a starter section , AC6SB
AC6SB30
, before installing the first chim-
*
ney length (Figure 24). Continue installing
chimney lengths making sure to lock each
length in place.
4. Every time the chimney passes through
a ceiling or a wall, install the appropriate
firestop. When you reach the desired height,
install the roof support. When installing a
support, slightly lift the chimney system so
the weight will lie on the support, not on the
fireplace to reduce expansion noises (Refer
to instructions included with the support).
5. Then, put the roof flashing in place and seal
the joint between the roof and the flashing
with roofing pitch (see Figures 24 and 25).
For sloping roofs, place the flashing under
the upper and on top of the lower shingles.
Nail the flashing to the roof, using roofing
nails.
6. Place the spacers and the storm collar over
the flashing, and tighten it with the bolt
supplied. Finally, seal the joint between the
storm collar and the chimney, using silicone
caulking.
7. Install the chimney cap. Once the chimney
cap is in place, the roof flashing can be
washed with a solvent or vinegar and then
painted with rust-proof paint.
16
ASHT / S2100
HT6103+ / HT6000+
Solid Packed Pipe *
SQUARE HOLE
SIZE OPENING
12-3/8" (314 mm)
12-3/8" (314 mm)
Figure 23a
14-1/8" (359 mm)
15 in (380 mm)
Air Cooled Pipe *
Figure 23c
AC CHIMNEY
(AIR COOLED GALVANIZED CHIMNEY)
,
*
or
*
Figure 24
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Attic Radiation Shield
Firestop
AC
Attic Radiation
Shield
Radiation Shield
INSTALLATION
*
Chimney Outside
Air Intake
(required when
using AC chimney)
Outside Combustion
Air Kit
Attic Radiation
Shield
Flashing
Roof
Mobile / Manufactured Home with Flat Roof
ASHT / S2100
Figure 23b
HT6103+ / HT6000+ *
Attic Radiation
Shield
Flashing
Mobile / Manufactured Home with Flat Roof
AC Chimney *
Figure 23d
Rain Cap
Collar
Flashing
Attic Radiation
Shield
Firestop
Starter Section
NOTE : outside air kits are mandatory
for AC chimney and recommended for
the fireplace.
*
Available from Security Chimneys™
Available from DuraVent
**
®
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