Installation
7
Eye Protection
Pliers
Work Gloves
Rope
Dust Respirator
Hack Saw
Masonry Drill Bit(s)
Ovalizing Machine
are available in 3, 4, 5,
5.5, 6, 7, 8, 9, 10, 11, and 12 inch diameters.
can also be ovalized to
assume many different cross-sectional shapes
chimney structure and the type, number
and location of the appliances that are to
be vented into the chimney. For assistance,
review the manufacturer's instructions for
appropriate codes and standards, or contact
your supplier or DuraVent
Customer Service at 800-835-4429.
The safe operation of a venting system
depends on the proper installation and use
of all materials and parts supplied by the
manufacturer and proper use and operation of
the connected heating equipment.
A Tee with Tee Cap is the most common way
to terminate a lining system at the bottom.
Elbows or Universal Take-offs may be used as
well. If necessary, enlarge the thimble area(s)
to accommodate the ttings. Make sure
that proper clearances between connector
pipes, heating appliances and combustibles
are maintained after the liner and heating
appliances are installed. If penetrating a
combustible wall,
Measure the distance from the thimble to
the top of the chimney. Add 6 inches to allow
for the installation of the chimney crown and
Rain Cap. Subtract the length of the bottom
Tee and any other system components. In a
chimney with offsets, add one foot for each
offset. Mark the liner, then cut with a hacksaw
or reciprocating saw with a metal cutting blade.
When cutting DuraFlex SW
®
to length, it is
important to use an Angle Grinder with a
masonry cutting blade (Refer to Installation
Instruction #L1244).
and areas.
are made from
various stainless steel alloys. When ordering,
match liner and component materials.
Components are fastened to
by tightening the built-in draw band.
Pre-drilling liners or using pop rivets is not
necessary.
Liner and component arrangements
depend on the size and conguration of the