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APPENDIX D — Roof Mounting Details
Separated Tube ST Panels on Composition Roofs
COMPOSITION
SHINGLES OVER
UNDERLAYMENT
AND SHEATHING
ST STRIP FACING UP
BODY STRAP
STRAP ANCHOR
*12" Roof Flashing
NOTE: IF local codes allow the lag bolt to be secured only into the
sheathing, be sure not to overtighten. The bolt may tear
through the sheathing and reduce pull out strength.
It is recommended to install 12" wide flashing under bottom header to protect composition roof from possible
*
panel movement.
Figure 24 | Composition Roof and Membrane Roof Mounting
The figures depict an example of mounting on a composition shingle roof. Substrate is not required to support
and protect the Panels but it is recommended to put a barrier between the lower headers and the roof for extra
protection when the Panels move with temperature fluctuations.
Note: All mounting hardware must be installed with care. Seal all roof penetrations according to an
industry standard method. If local codes allow the lag bolts to be secured only into the sheathing, be sure not
to overtighten bolts.
SOLAR
PANEL
COMPOSITION
SHINGLE
HEADER ANCHORS
COMPOSITION
COMPOSITION
SHINGLE
OPTIONAL
STRAP IN THE
HIGH WIND KIT
Attachment to
sheathing
COMPOSITION
CAP
BASE
5/16" LAG BOLT
SHEATHING
Attachment to truss
CAP
BASE
SHINGLE
Attachment to blocking
CAP
BASE
Attachment to spanner
CAP
BASE
SHINGLE
SHEATHING
®
SHEATHING
5/16" LAG BOLT
TRUSS OR
RAFTER
SHEATHING
5/16" LAG BOLT
2X4 BLOCK ON
UNDERSIDE IF
SHEATHING
5/16" x 8"
THREADED ROD
2X4 SPANNER
BETWEEN
RAFTERS
38
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