DuraVent DuraPlus HTC - Manual (Page 25)

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Figure 27
Figure 28
½" (12mm) AIR GAP
ESTABLISHED BY SPACERS
6" (150mm)
MINIMUM
CLEARANCE
BETWEEN
BOTTOM OF CAP
AND CHASE TOP
FLASHING
CHIMNEY CAP
STORM COLLAR
#8 1 ½" WOOD SCREW
TALL CONE
FLASHING CAN BE
USED AS PART OF
CHASE TOP
FRAMED CHASE ENCLOSURE.
MAINTAIN MINIMUM 2" (50
mm) CLEARANCE FROM
CHIMNEY TO COMBUSTIBLES
ATTACH BASE PLATE TO
FIREPLACE WITH (4) SHEET
METAL SCREWS
CHIMNEY SECTION
FIELD
FABRICATED
CHASE
TOP FLASHING
FIELD FABRICATED
SPACERS PROVIDE
1/2" STANDOFF