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Fig 2
BASIC DURAFLEX SS LINER INSTALLATION
The type of fuel you are burning, and what clearances you have available, will
determine if you need to use the 2-ply Insulation Sleeve or Spacers with your liner
installation. Refer to the Table 1 to determine if the Insulation Sleeve is required with
the clearances you have available. If the Insulation Sleeve is required, please refer
to the Insulation Sleeve Installation section.
Step 1. Measure and record dimensions to determine total Flex Liner requirements.
Step 2. After locating where the appliance flue connection will be made in the
chimney wall, break out sufficient masonry to form a hole large enough for the
Mortar Sleeve or Flex Liner to pass through easily. If a Tee application is necessary,
a larger hole may be required. (See Tee Installation Section)
Step 3. Remove Flex Liner from packaging and
straighten coiled Flex Liner. If Insullation Sleeves are
not used, you will need to attach Spacers to the Flex
Liner to insure the liner maintains at least the 1"
clearance required to the inside of the masonry (Figure
5). Place Spacers every 5 feet on the Liner.
Step 4. Secure a rope to the Flex Puller and attach the
Flex to DuraFlex SS Liner as shown in Figure 4. One
person should feed the liner through the chimney, and
another person should pull the liner from the bottom,
using the rope to guide the liner though to the chimney
bottom. The reason for using two people is that care
NorthlineExpress.com
Fig 3
4.
http://www.northlineexpress.com
FLEX LINER
FLEX PULLER
ROPE (NOT
INCLUDED)
Fig 4
STAINLESS FLEX
FLEX SPACER
INSTALL FLEX
SPACERS EVERY
5-FEET AND
WHERE NEEDED
Fig 5
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