PV QuickMount Instructions

PV QuickMount Instructions
Classic Composition Mount QMSC
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Lag pull-out (withdrawal) capacities (lbs) in typical lumber:
Lag Bolt Specifications
Specific Gravity
5/16" shaft per 3" thread depth
5/16" shaft per 1" thread depth
Douglas Fir, Larch
.50
798
266
Douglas Fir, South
.46
705
235
Engelmann Spruce, Lodgepole Pine (MSR 1650 f & higher)
.46
705
235
Hem, Fir
.43
636
212
Hem, Fir (North)
.46
705
235
Southern Pine
.55
921
307
Spruce, Pine, Fir
.42
615
205
Spruce, Pine, Fir (E of 2 million psi and higher grades of MSR and MEL)
.50
798
266
Sources: American Wood Council, NDS 2005, Table 11.2 A, 11.3.2 A
Notes:
1) Thread must be embedded in a rafter or other structural roof member.
2) See NDS Table 11.5.1C for required edge distances.
BI 7.2.3-7
Sep-2013, Rev 6
Classic Composition Mounting Instructions
Installation Tools Required: tape measure, roofing bar, chalk line, stud finder, caulking gun, sealant compatible with roofing materials,
drill with 7/32" long-style bit, drill or impact gun with 1/2" deep socket.
WARNING: Quick Mount PV products are NOT designed for and should NOT be used to anchor fall protection equipment.
1
2
3rd course
2nd course
3
1st course
Locate, choose, and mark centers of rafters to be
mounted. Select the courses of shingles where
mounts will be placed.
4
Using drill with 7/32" bit, drill pilot hole into roof
and rafter, taking care to drill square to the roof.
Do not use mount as a drill guide. Drill should be
‘long style bit' aka ‘aircraft extension bit’ to drill a
3" deep hole into rafter.
7
Carefully lift composition roof shingle with roofing
bar, just above placement of mount. Remove nails
as required. See "Proper Flashing Placement" on
next page.
5
Clean off any sawdust, and fill hole with sealant
compatible with roofing materials.
8
Insert flashing between 1st and 2nd course. Slide
up so top edge of flashing is at least 3/4" higher
than the drip edge of the 3rd course and lower
flashing edge is above the drip edge of 1st course.
Mark center for drilling.
3rd course
6
Slide flashing into position. Prepare hanger bolt
with hex nut and sealing washer. Insert into hole
and drive hanger bolt until QBlock stops rotating
easily. Do NOT over torque.
You are now ready for the rack of your
choice. Follow all the directions of
the rack manufacturer as well as the
module manufacturer.
All roofing manufacturers’ written
instructions must also be followed
by anyone modifying a roof system.
Please consult the roof manufacturer's
specs and instructions prior to
touching the roof.
Insert EPDM rubber washer over hanger bolt into
block.
BI 7.2.3-7
Using the rack kit hardware, secure the racking
(L-foot) to the mount using torque specs from
racking manufacturer. If racking manufacturer does
not specify torque setting, tighten to 13 ft.-lbs.
Sep-2013, Rev 6
Reference and Tips
Additional tips and information for installing mounts:
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See Classic Composition Mount install and Quick Tips videos on nail removal, bolt prep, and more at:
www.quickmountpv.com/support/videos.html
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It is not necessary or advisable to use nails or other fasteners to secure the perimeter of
the flashing.
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The Classic Composition Mount is made to work with standard and high-definition composition/
asphalt and wood shingle roofs with 5" to 5-5/8" courses. If the exposed surface of the course
exceeds this measurement you may need to use our Classic Shake Mount instead.
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Depending on the season and climate, size and location of seal tabs, and quality of the shingles,
the seal tabs that adhere the shingle courses together may not effectively seal the shingles to the
flashings. If this is the case, simply add several quarter-sized dabs of manufacturer accepted sealant
or asphalt roofing cement, meeting ASTM D 4586 Type II, between the flashing and the shingle
above.
nn
Mounts should not be installed in areas of the roof susceptible to ice damming. Water ponding
under the shingles can reach the bolt penetration.
nn
Take care not to damage the roofing material while working on the roof. Removing stone granules
and deforming the shingles in any way can shorten the lifespan of the roofing. The value of the solar
array is directly affected by the condition of the roof it is attached to.
BI 7.2.3-7
Sep-2013, Rev 6
925-478-8269 www.quickmountpv.com [email protected]
2700 Mitchell Dr., Bldg 2 Walnut Creek, CA 94598
© 2013 by Quick Mount PV. All rights reserved.
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