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Mar-2015, Rev 6
Conduit Penetration Flashing Instructions
Installation Tools Required: tape measure, caulking gun, roof material & EPDM compatible sealants, drill with paddle bit, hook blade, hammer,
roofing nails
WARNING: Quick Mount PV products are NOT designed for and should NOT be used to anchor fall protection equipment.
1
Mark center of rafter. Using the flashing as a
template, mark the drill point so the flashing
reaches up into the 3rd shingle course. Drill your
conduit hole next to the rafter so you can secure
the conduit below the roof surface (see Drawing
2). For 1/2" conduit, drill 7/8" hole; for 3/4" conduit,
drill 1" hole; for 1" conduit, drill 1-1/4" hole.
4
Slide flashing into place over drilled hole and
apply a bead of sealant across the top side of the
flashing under the 2nd shingle course. Be careful
not to rip or tear shingles.
7
Apply a bead of sealant compatible with both
the roofing material and EPDM rubber to both
the flashing and the conduit in the location of
the EPDM collar's final position.*
BI 7.2.3-22
3
2
Slide flashing (item 1) into position centering the
flashing hole with drilled hole. Remove any nails
that prevent getting the flashing into position.
Using a hook blade, cut shingle around cone to
allow correct placement of flashing. Flashing
should not hang over bottom (drip) edge of
shingle below.
Apply sealant compatible with the roofing
material on the underside of the flashing in an
upside down U.
Under the 3rd course and through the 2nd
course, secure flashing with 2 roofing nails at the
top corners of the flashing at the nail line. Apply
sealant over nail heads.
Cut EPDM collar (item 2) to appropriate conduit
size (see Drawing 1, Detail A on reverse). Take
care to cut a clean, level line.
5
8
Slide collar over the conduit all the way down to
the flashing.
6
Your conduit penetration flashing
is now complete and ready for additional electrical work. Be sure to
secure conduit to rafters below the
roof surface per local building codes
and NEC code requirements. Quick
Mount PV conduit mounts are also
available for roof surface conduit attachments. See website for details.
*Helpful hint: to see where to apply the sealant, slide
the collar into place and mark the perimeter with a
marker on the flashing and on the conduit, then slide
the collar up and apply sealant just inside both marks.
925-478-8269 | www.quickmountpv.com | [email protected]
2700 Mitchell Dr. | Walnut Creek, CA 94598
Mar-2015, Rev 6
©2015 by Quick Mount PV. All rights reserved.