Doc Number 801-00016, Version 1.3, Copyright © 2010 Zep Solar, Inc. PAGE: 2 of 3
ZEP SOLAR COMP MOUNT INSTALLATION GUIDE
Introduction
This guide provides instructions for installing Zep Solar’s Comp Mount flashed attachment assembly.
The Comp Mount is an OEM product manufactured by Quick Mount PV exclusively for Zep Solar. It
is intended for use on composition shingle roofs and combines high-quality waterproofing with a
labor-saving installation method. Prior to installing the Comp Mount, consult Zep Solar’s installation
resources found online at: http://www.zepsolar.com/resources.html. There you will find Span Tables
that will allow you to determine the maximum allowable spacing between attachment points. You
will also find the Zep System II PV Module Installation Manual, which provides full installation
instructions. Also consult www.QuickMountPV.com for general mounting instructions, tips, and FAQs.
INSTALLATION TOOLS REQUIRED: Tape Measure, Roofers Bar, Marking Crayon, Chalk Line,
Stud Finder, Torque Wrench, Caulking Gun, Rated Sealant, Drill with ⁷⁄₃₂" long bit, Drill or
Impact Gun with ½" Deep Socket.
Positioning the Comp Mount
Comp Mounts may be positioned with their lower edge between
1” below to 2.5” above the shingle course drip edge to accommo-
date the north-south (N-S) spacing of the attachment points (Fig.
1). See the formula (p. 3) to determine N-S spacing. The ability
to attach Zep Solar’s Leveling Foot to either of the two threaded
holes on the mounting block, and the adjust-ability allowed by
the oval slot of the Leveling Foot, enables additional N-S adjust-ability; eliminating the need to cut
the upper course of shingle in most every case. If the mounting block does come into conflict with
the upper shingle course, cut into the upper shingle course to allow the desired positioning.
Preparing the Roof
In the vicinity of the lower edge of the array, slide upper edge of
the first lower-row Comp Mount flashing base under a course
of shingles to the desired position (lower edge of the module
array will be 3" up-roof from the lower edge of flashing base).
Using a Roofer’s Bar, remove any nails that prevent the Comp
Mount from sliding into place. Mark the mounting-hole location
through the center hole of the Comp Mount, remove the Comp
Mount and drill a ⁷⁄₃₂" pilot hole into the center of the rafter
perpendicular to the roof pitch (Fig. 2). Clean off all saw dust
and fill with a sealant that is rated for the application (Fig. 3). Figure 2 Figure 3
LOWER EDGE OF SHINGLE COURSE
3 ½"
POSITIONING RANGE
