1
/2
"
Chase top
flashing
Roof
radiation
shields
Required
spacing
clips
Spacing Clips
1/2 in. air space
established by
spacing clips
1/2 in. Air Space
Storm collar must
be installed 1 in.
off chase top
1 1/2 in. ventilation
opening around
chimney pipe
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Chase Top
Collar
Sealant
Additional
Structural Support
Screw or
Pop-rivet
Insect
Screen
Roof Radiation Shields
placed here
Screws
to hold
flashing to
chase top
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1 1/2 in. ventilation
opening around
chimney pipe
Chase Top Collar
Turn-down
Slope downward
Drip edge
Insect-guard screening
may be added between
chase and chase top
flashing.
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