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INSTALLING DuraSeal ® AS A LINER IN A MASONRY CHIMNEY OR
AS A LINER IN AN EXISTING VENT (DS - DSD - DSID only)
* Stainless Steel Wire Rope (by others) is to be used to hang the vent system
from the top of the masonry chimney or from the top of the existing vent.
- The stainless wire rope is attached to the Guy Support Band and is secured
with cable clamps (by others).
- The Stainless Steel Wire Rope is secured in a similar manner to the top
platform of the masonry chimney or existing vent.
- Use the appropriate size of Stainless Steel Wire Rope to accommodate the
required total loads of the vent system.
It may be necessary to fabricate a platform (at top of chimney/ vent - by others).
Consult DuraVent for guidelines.
DO NOT USE GALVANIZED WIRE ROPE.
Note: When installed as a liner in a masonry chimney or to reline an existing vent no
other appliance can be vented into the same chimney or vent.
Exit cone (EC)
Storm Collar (SC)
Flat Flashing (F)
1" Minimum
Masonry
chimney
Combustible
wall
Stainless steel
wire rope *
(by other)
Centering
band (CB)
Guy support
(GS)
Elbow or tee
Figure 12 -Installing DuraSeal as a liner
14
DuraSeal FLEX FOR SS ONLY
*IMPORTANT NOTE
When installing DuraSeal Flex, the direction of exhaust flow is always
from the appliance. There is an arrow printed on each section of liner and
component that will point in the direction of the exhaust gas. If the inner
liner is installed correctly the proper direction can be determined by running
your fingernails up the inside wall of the liner. If the direction is correct, your
na ils will catch at the seams of the inner wall. If it is incorrect, your nails will
slide smoothly across the inner surface.
Description of the DuraFlex adapters
I- The male adapter is used to connect a rigid duct to a flexible liner. It
has latches and a Vi ton Black 0-ring (Figure 13). It is installed at the bottom
of the flexible length.
Maximum distance
between guides
See table 6 (MVS)
Maximum
distance
between sup-
ports
See table
4 & 5
Maximum distance
between guides
See table 6 (MVS)
Figure 13 - DuraSeal Male adapter
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