4
CLEARANCES
Always allow at least a 2-inch air-space
clearance between DuraChimney II pipe
and any combustible materials. Never fill any
required clearance space with insulation or
any other materials. Combustible materials
include, but is not limited to, lumber, plywood,
sheetrock, plaster and lath, furniture, curtains,
electrical wiring, and building insulation.
PERMITS
Contact your local Building Official or Fire
Official regarding permits, restrictions, and
installation inspections in your area.
CHIMNEY APPLICATIONS
DuraChimney II is a complete chimney
system tested and listed to test procedures
UL 103 and ULC S604. In the United States,
DuraChimney II can be used with masonry
fireplaces or appliances fueled by oil, gas,
coal, or wood that have been tested and listed
for use with a UL 103 chimney system. In
Canada, DuraChimney II can be used with
listed oil & gas fired appliances or wood-
burning fireplaces requiring a Type A Chimney,
in accordance with ULC S604.
DuraChimney II may also be listed with
some factory-built fireplaces. Check with the
fireplace manufacturer if DuraChimney II
can be used on their fireplaces, and if there
are any limitations of use. Do not use with
forced draft or positive-pressure appliances.
The DuraChimney II system is designed to
extend vertically with a maximum of one (1)
offset (two elbows total) of up to 30° from
vertical. DuraChimney II is listed under UL re-
examination Service number mh7399.
EQUIPMENT & MATERIALS
Drill / Driver
hammer
Caulking Gun
plumb Bob
Screwdrivers (phillips & Standard)
Tin Snips
Saber or Keyhole Saw
Level
Dependable Ladder
Tape measure
proper Gloves and Shoes
eye protection
materials you may need:
non-hardening Waterproof Sealant
8-penny nails,
600
°
F rTV Silicone Sealant
Roofing Nails
#8, 2-1/2” & 1-1/2” Wood Screws
INSTALLATION NOTES
proper planning for your DuraChimney
II installation will result in greater safety,
efficiency, and convenience, as well as
saving time and money. you must use only
authorized DuraChimney II parts to maintain
a listed chimney system. Do not mix parts
or try to match with other products or use
improvised solutions. Do not install damaged
or modified parts. Practice good workmanship.
Sloppy work could jeopardize your chimney’s
safety. Keep electrical wiring and building
insulation away from all chimneys. When
deciding the location of your chimney, try to
avoid modifications to roof beams and other
structural components of the building. Contact
either your dealer or Simpson Dura-Vent
directly if you have any questions.
NorthlineExpress.com
http://www.northlineexpress.com
Toll-Free 1-866-667-8454
