Installation
11
Tee or other adaptors. Seal chimney with a
Damper Sealing Kit (see instructions for Stove
and Fireplace Insert Installation Kits) or a
sealing plug at the damper level or at the top of
the smoke chamber.
Alternatively, remove portions of the damper
frame and smoke shelf so that a round
can be connected to the
heater with a standard Tee, Sleeve, Boot or
Adapter. Again, seal chimney with a Damper
Sealing Kit (see instructions for Stove and
Fireplace Insert Installation Kits) or a sealing
plug at the damper level or at the top of the
smoke chamber. Insulate a
from here to the top.
include a Top
Plate, Storm Collar, and Vertical Cap. These
kits and provide one method for terminating a
DuraFlex Liner at the top.
Vertical Cap Kits can be used to nish
TherMix® or ProFoil insulated chimneys.
When the liner is insulated with ProFoil, the
Vertical Cap Kit both seals the system and
supports the liner.
Slip the Top Plate over the liner and position it
on the chimney with the liner centered. Trim as
necessary or fold edges over the outside of the
chimney. Apply a generous bead of High Temp
RTV Silicone under the Top Plate and press it
into position. Slip the Storm Collar portion of
the Vertical Cap over the liner, position it over
the Top Plate and tighten the clamp band. Trim
off excess liner ush with the Storm Collar.
Re-assemble Vertical Cap.
Vertical Caps incorporating bird screens are
necessary and/or required in some areas
but may be susceptible to blockage through
freezing maisture in areas of low ambient
temperature. Consult authority having
jurisdiction.
are commonly used to nish TherMix
®
insulated Flex . Fill TherMix
®
to within four inches from the chimney top.
Fill the remaining four inches with mortar or
crown mix and form a slope from the liner to
the outside of the top course of bricks. Attach a
Vertical Cap (-VC) to the liner.
Vertical Cap