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ACBI
Chimney Outside Air Intake
(required when using ACBI
chimney)
Outside Air Kit
(Mandatory)
Figure 22
CHIMNEY INSTALLATION INSTRUCTIONS
1. Cut and frame the holes in the ceiling, floor
and roof where the chimney will pass (see
Figure 23). Use a plumb-bob to line up the
center of the holes. The sizes are indicated in
Table 1 for the wall and ceiling holes and Table
2 (Page 18) for the roof holes.
NOTE: ACBI
chimney require 1" clearance
*
going through ceiling and roof and 2" clear-
ance through a wall. ASHT+
chimney require
*
2" clearance. Do Not fill this air space with
insulation or any combustible material.
CHIMNEY INSTALLATION
*
CHIMNEY MODEL *
ASHT+ *
S2100+ *
ACBI * : Ceiling
(1" clearance)
ACBI * : Wall
NOTE: See Table 2 for Sloped Roof Framing
Table 1 - Flat Roof Framing
NOTE: DIAGRAMS & IllUSTRATIONS ARE NOT TO SCAlE.
Flashing
Attic Radiation
Shield
Firestop
Starter
Section
SQUARE HOLE
SIZE OPENING
13-3/8"
(314 mm)
15-1/8"
(359 mm)
15 in
380 mm)
17 in (432 mm)
Figure 23
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, (see Figure 24).
S2100+
and ASHT+
: Place the first chimney
*
*
length on the fireplace, to lock turn 1/4 of a
turn clockwise. ACB
I: A starter section must
*
be installed before installing the first chimney
length (see Figure 22).
3. ACBI
: Every 20 feet and at the roof level,
*
install a universal support fastening the straps to
the surrounding joists. ASHT+
: Install support
*
as required (see Chimney Support Installation
Section on Page 20).
4. Put the roof flashing in place and seal the joint
between the roof and the flashing with roofing
pitch (see Figures 25 and 26). 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.
5. Place 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.
6. 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.
Figure 24
*
Available from Security Chimneys™
ATTIC
RADIATION
SHIELD
FIRESTOP
17
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