DuraVent DuraTech Canada Installation And Operation Instructions Manual page 18

Factory-built chimney 5”, 6”, 7”, 8” & 10” dia. type ht
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6
EXTERIOR INSTALLATION (CONT'D)
Step 3. The minimum length of insulated chimney
required to pass through the wall will be
thickness plus 7". The insulated chimney
must extend at least 5" into the room beyond
the finished wall. Insert this chimney length
in the side branch of the insulated tee. Turn it
clockwise to lock it in place. Seal this joint by
wrapping it with the aluminum tape supplied
with the tee. Mount the insulated tee on the
support so that the chimney length which will
go through the wall is perpendicular to the
side of the support that will fasten to the wall.
NOTE: The supports (RESU or TSA) can be installed
above the Tee. (See Figure 24A).
Step 4. This step will require 2 people: (see Figure
23). Insert the chimney length of this tee-sup-
port assembly into the hole in the wall. Using a
level, ensure the tee is vertical, then attach the
support to the wall using (8) Nº. 10 x 1 - 1/4"
wood screws or 4" spiral nails.
NOTE: To provide sufficient strength, the nails must
be driven into the wall studs. For concrete
walls, the support should be attached using
(8) 1/4" x 2" lag bolts.
Step 5. Attach the clean-out cap to the Tee Support
or Tee.
Step 6. Attach the flue extension to the horizontal
chimney length.
Step 7. Stack a chimney length on top of the Tee.
Turn it clockwise to lock it in place. Continue
until the required chimney height is reached.
NOTE: At 8' intervals, attach the chimney to the wall
using a Wall Strap or Re-Support.
Step 8. If the chimney passes through the roof, cut
a hole large enough to provide 2" clearance
between the chimney and the roof. For pitched
roof, see chart on page 4.
(FOR US Installs ONLY)
Install the Roof Radiation Shield in the roof joist.
To continue, SEE STEP 8, on page 8.
18
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
5" Min.
WALL THIMBLE
(WTI)
INSULATED
CHIMNEY
FLUE EXTENSION
(CA)
WALL STUD
ADJUSTABLE WALL SUPPORT (SME/SMA) AND INSULATED
4 in. Nails or #10
TWIST-LOCK CAP (TCI)
x 1-1/4 in. screws
Figure 23
1. TEE CAP
2. WALL THIMBLE
(RSM)
3. INSULATED TEE
4. INSULATED LENGTH
5. WALL SUPPORT
6. FLUE EXTENSION
7. WALL BAND
8. FIRESTOP
9. ATTIC RADIATION
SHIELD
10. STORM COLLAR
ROOF FLASHING
11. RAIN CAP
3
6
4
2
1
Figure 24
4 in. Nails or #10 x 1-1/4 in. screws
LEVEL
11
9
8
7
5
ACCESS
DOOR
10

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