Installation Instructions
17
the vent pipe, and the combustible
surfaces of the enclosure. Do not ll
required air spaces with insulation.
If venting system passes through
an attic space the Attic Insulation
Shield or a chase enclosure must be
installed to prevent contact between
Pipe Sections and the insulation or
other debris. For the Attic Insulation
Shield, nail the base to oor of attic and
adjust shield for appropriate insulation
level, then attach the collar at the top
of assembly (Fig. 19). For a chase
enclosure, it may be constructed out of
sheetrock or similar building materials
and framed around the support box
or the pipe, maintaining the clearance
to combustibles as required by the
appliance manufacturer. For vaulted
ceilings a chase enclosure must be
constructed as the Attic Insulation
Shield can not be installed.
SECURE FLASHING
WITH NON-HARDENING
OPTIONAL
LOW PROFILE
HIGH WIND
VERTICAL
STORM
COLLAR
ROOF
FLASHING
TERMINATION
TERMINATION CAP
SEALANT AND
ROOFING NAILS
SHIELD
NAILS
REQUIRED
APPLIANCE MFG
INSULATION
ATTIC
CLEARANCE
REQUIRED BY
CLEARANCE AS
APPLIANCE MFG
REQUIRED BY
CLEARANCE AS