NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
19
*
Available from Security Chimneys™
Figure 22
ACBI
*
CHIMNEY INSTALLATION
CHIMNEY INSTALLATION INSTRUCTIONS
1.
Cut and frame the holes in the ceiling, fl oor
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 20
)
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 fi ll this air space with
insulation or any combustible material
.
2.
From below, install a fi restop in each ceiling/
fl oor 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 fi rst chimney
length on the fi replace, to lock turn 1/4 of a
turn clockwise. ACB
*
I: A starter section must
be installed before installing the fi rst 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 22
)
.
4.
Put the roof fl ashing in place and seal the joint
between the roof and the fl ashing with roofi ng
pitch (
see
Figures 25 and 26
)
. For sloping roofs,
place the fl ashing under the upper shingles and
on top of the lower shingles. Nail the fl ashing
to the roof, using roofi ng nails.
5.
Place the storm collar over the fl ashing 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 fl ashing can be washed
with a solvent or vinegar and then painted with
rust-proof paint.
Figure 23
Figure 24
ATTIC
RADIATION
SHIELD
FIRESTOP
Chimney Outside Air Intake
(required when using ACBI
chimney)
Flashing
Firestop
Attic Radiation
Shield
Starter
Section
Outside Air Kit
(Mandatory)
**
Available from DuraVent
®
CHIMNEY MODEL
SQUARE HOLE
SIZE OPENING
ASHT+
*
13-3/8" (340 mm)
DuraTech DTC
**
13-3/8” (340 mm)
S2100+
*
:
15-1/8" (384 mm)
ACBI
*
: Ceiling
(1” clearance)
15" (381 mm)
ACBI
*
: Wall
17" (432 mm)
NOTE: See Table 2 for Sloped Roof Framing
Table 1 - Flat Roof Framing
