HearthStone Quality Home Heating Products, Inc ®
46
WFP-75 Model 8411
4. Cut and frame square holes in all floors,
ceilings, and roof that the chimney will go
through
(C)
to provide a 2" (50 mm) minimum
clearance between the chimney and any
combustible materials. Do not fill this space
with insulation or any other combustible
material.
5. Every time the chimney passes through a
ceiling or a wall, install the appropriate firestop
(B)
. When you reach the desired height, install
the roof support (not shown). (Refer to
instructions included with the support).
6. Then, put the roof flashing
(E)
in place and seal
the joint between the roof and the flashing with
roofing pitch. For sloping roofs, place the
flashing under the upper shingles and on top of
the lower shingles. Nail the flashing to the roof,
using roofing nails.
7. Place the storm collar
(F)
over the flashing, and
tighten it with the bolt supplied. Finally, seal the
joint between the storm collar and the chimney,
using silicone caulking.
8. Install the chimney cap
(G)
.
9. When a ventilated roof flashing is installed,
precautions are to be taken not to caulk or seal
the ventilating openings.
7.5.3
OFFSET CHIMNEY INSTALLATION
TABLE 2 - MINIMUM SYSTEM HEIGHT WHEN USING ELBOWS
A
To insure a good draft, it is
recommended to have a length of 18
inches from the top of the unit to the first
offset. However, starting using a 30° or
45° elbow is also approved.
B
Mandatory measure of 15 ft. from the
bottom of the fireplace to the top of the
outside chimney.
Fireplace model
WFP-75
Chimney model
All models (see
TABLE 3)
Vertical installation
15 ft. (4.6 m)
Two (2) elbows
15 ft. (4.6 m)
Four (4) elbows
17 ft. (5.2 m)
Figure 1 : Installation Instructions
