Installation Procedure
Z-FLEX
COAXIAL VERTICAL EXTREME WEATHER TERMINATION
a.
Apply a heavy bead approximately 1/4" wide of high temperature Mill-Pac Black
sealant to approximately 3/4" from bottom end of vertical termination inner collar
outside edge and slip flexible pipe over inner collar with as much overlap as
possible. Secure flexible pipe to inner collar with four self-drilling screws evenly
spaced 90 degrees apart.
b.
Slip vertical termination outer collar over rigid pipe or rigid pipe extension with as
much overlap as possible. Secure outer collar to rigid pipe with four self-drilling
screws evenly spaced 90 degrees apart.
c.
Seal all external joints of rigid pipe and termination with silicone sealant.
d.
Apply a heavy bead approximately 1/4" wide of high temperature Mill-Pac Black
sealant to approximately 3/4" from bottom end of rigid pipe outside edge located
below roof and slip outer flexible pipe over rigid pipe with as much overlap as
possible. Secure flexible pipe to rigid pipe with four self-drilling screws evenly
spaced 90 degrees apart.
Coaxial
Vertical
Extreme
Weather
Termination
Secure with Screws:
Outer Collar to
Rigid Pipe or Rigid
Pipe Extension
Apply Mill-Pac
Black Sealant &
Secure with Screws
:
Inner Collar to
Flexible Pipe
Fig. 15 Vertical Termination Installation
BEST PRACTICE
It is recommended to spray paint flashing, rigid coaxial pipe and termination to
match color of roof shingles to extend life and improve appearance of assembly.
Clean, prime and paint with appropriate materials.
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