VGZ-005 / 20120202.0
BX42E-SN /
Page 17
Vogelzang International Corp.
A.
Brick Masonry
Minimum 3.5˝/ 89mm thick brick masonry all framed
into combustible wall with a minimum of 12˝/305mm
brick separation from clay liner to combustibles. The
fireclay liner shall run from outer surface of brick
wall to, but not beyond, the inner surface of chimney
flue liner and shall be firmly cemented in place.
B. Insulated
Sleeve
Solid-insulated, listed factory-built chimney length
of the same inside diameter as the chimney con-
nector and having 1˝/25.4mm or more of insulation
with a minimum 9˝/229mm air space between the
outer wall of the chimney length and combustibles.
C. Ventilated
Thimble
Sheet steel chimney connector, minimum 24 gauge
in thickness, with a ventilated thimble, minimum 24
gauge in thickness, having two 1˝/25.4mm air chan-
nels, separated from combustibles by a minimum of
6˝/152mm of glass fiber insulation. Opening shall be
covered, and thimble supported with a sheet steel
support, minimum 24 gauge in thickness.
D. Chimney Section Pass-through
Solid insulated, listed factory-built chimney length
with an inside diameter 2˝/51mm larger than the
chimney connector and having 1˝/25.4mm or
more of insulation, serving as a pass-through
for a single wall sheet steel chimney connector
of minimum 24 gauge thickness, with a minimum
2˝/51mm air space between the outer wall of chim-
ney section and combustibles. Minimum length
of chimney section shall be 12˝/305mm chimney
section spaced 1˝/25.4mm away from connector
using sheet steel support plates on both ends of
chimney section. Opening shall be covered, and
chimney section supported on both sides with
sheet steel support securely fastened to wall sur-
faces of minimum 24 gauge thickness. Fasteners
used to secure chimney section shall not penetrate
chimney flue liner.
CHIMNEY CONNECTOR SYSTEMS & CLEARANCES
