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IH (NA) R4 201102
Figure 15 50mm (2") Clearance to Combustible Wall Member
Method D
Start with a Solid-Pak listed factory built chimney section at least 305mm (12”)
long, with insulation of 25mm (1”) or more, and an inside diameter of 203mm
(8”) (50mm (2”) larger than the 152mm (6”) chimney connector). Use this as a
pass-through for a minimum 24 gauge single wall steel chimney connector. Keep
the Solid-Pak section concentric with and spaced 25mm (1”) off the chimney
connector by way of sheet metal support plates at both ends of the chimney
section. Cover openings with and support the chimney section on both sides
with 24 gauge minimum sheet metal supports. Ensure that the supports are
fastened securely to wall surfaces on all sides.
Notes:
o
Connectors to a masonry chimney, excepting method B, shall extend in
one continuous section through the wall pass-through system and the
chimney wall, up to but not past the inner flue liner face.
o
A chimney connector shall not pass through an attic or roof space, closet
or similar concealed space, floor, or ceiling.
Chimney Height
A masonry chimney or a listed factory-built chimney must be the required height
above the roof and any other nearby obstructions. The chimney must be at least
90cm (3’) higher than the highest point where it passes through the roof and at
least 60cm (2’) higher than the highest part of the roof or structure that is within
3m (10’) of the chimney measured horizontally.
Summary of Contents for Ironheart EW
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