Broan 355CSOBK Manual Del Usuario página 3

2" MIN.
19-1/4"
6. Taking into consideration the thickness of your chosen
flashing material, build a 19-1/4" x 16-1/8" (outside
dimensions) curb out of 2" x 4" or 2" x 6" material.
7. Working from the outside of your roof, use the guide
hole as a center point, cut and remove roofing material
in a 20" x 17" minimum area.
16-1/8"
8. Use the guide hole as a center point, use a nail and
9. Drill a large starting hole for the sabre saw just inside of
10. Cut out the roof board(s) inside of the line.
MODELS 355CSOBK • 355CSOBR
string to scribe a 14" diameter circle on the black paper
or roof decking.
the line or the 14" circle.
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