Remove interfering shingle nails around theperimeter of
the opening. Slide top and side flangesof the vent up and under
shingles. Allow the bottomvent flanges to lay on top of shingles.
Care should be taken in keeping the vent properlyaligned.
Nail in place using 1-1/4" coating roofingnails spaced approximately 6" -
12" on center and1-1/2" from each end. Roofing cement should beapplied
to all shingle edges and nail heads toprevent water leakage. In severe
weather coastalconstruction zones, caulking around entireperimeter,
under vent flanges and near outer edgesis recommended.
Off Ridge Roof Vent Installation
Florida Building Code 11100.4