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66 Installation
/Mounting theDish
RAFTERS
TRANSFER
MEASUREMENT
TO
ROOF
SHINGLE
OVERHANG
MEASURE
FACING
FROM ROOF EDGE
BOARD
TO NAILS
Figure 50, Locating Rafters
To locate the rafter near the mounting site, look at the facing board near the site.
Locate the closest nails securing the facing board. Measure from the edge of the
roof to the nails and record that distance.
To find a rafter near the mounting
location, transfer the previous measurement
to the roof. Be sure to include any
shingle overhang
in your measurements.
Other methods of locating rafters include tapping on the roof and listening to the
sound or climbing into the attic space and finding a reference point that can be
located on the roof. Regardless of the method you use, the goal should be to find
the center of the rafter and drill as few holes in the roof as possible.
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