Typical Existing Masonry - Napoleon S20-1 Installation And Operation Manual

installation
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3.1.5 typical existing masonry

You can also install your appliance using your
existing masonry chimney. To do so, use the
RAFTER
following guidelines. Use a factory-built thimble, or
construct your own brick thimble. If you are using a
masonry chimney, it is important that it be built in
EAVE
compliance with the specifications of the Building
CLEARANCE WITH FIRESTOP
Code in your region. It must normally be lined with
fire clay bricks, metal or clay tiles sealed together
with fire cement. (Round flues are the most
CEILING JOIST
efficient). The maximum flue size is 8" (203.2mm) x
CLEARANCE
8" (203.2mm) square or 6" (152.4mm) round. For
COMBUSTIBLE
greater diameters it is necessary to install a 6"
WALL
(152.4mm) stainless steel liner.
CHIMNEY
THIMBLE
CONNECTOR
FLOOR
PROTECTOR
18
W415-2796 / B / 12.19.19