The vertical distance from the finished grade to the top of the highest roof beams on a flat or shed roof, the deck level on a mansard roof, and the average distances between the eaves and the ridge level for gable, hip and gambrel roofs.

Height limits shall not apply to flag poles, chimneys, or cupolas, provided that the horizontal area of such parts does not exceed 0.1% of the ground area covered by the main building, and further provided that height limits shall not apply to roof mounted heating, air conditioning or other mechanical equipment except that such equipment, when visible when standing at ground level from a residential zone, shall be screened by a wall, cover or by other means and that such screening shall be in keeping with the architectural motif of the building.

Height limits shall not apply to antenna(s) mounted on the roof of the principal building provided that such antenna(s) shall not extend above the roof by more than 35 feet or the height of the principal building, whichever is lesser. No such antenna(s) shall have any form of lighting.