A. Permitted. Roof signs shall be permitted only when placed directly upon a roof that slopes downward toward and extends to or over the top of an exterior wall.
B. Area.
1. Sign area shall not exceed two square feet for each foot of street frontage, plus one square foot for each foot of building frontage.
2. The maximum area of any one roof sign shall not exceed 300 square feet.
3. The combined area of roof signs, illuminated architectural canopy signs and wall signs facing the same direction shall not exceed two square feet for each foot of street frontage, plus one square foot for each foot of building frontage.
4. The combined sign area of wall signs, projecting signs, monument signs, illuminated architectural canopy signs, pole signs, roof signs and window signs shall not exceed four square feet for each foot of street frontage.
C. Height. The top of the roof sign shall be located at least two feet below the ridge of the roof.
D. Location.
1. Roof signs shall be located at least ten feet from interior lot lines.
2. Roof signs shall be located at least two feet from the edge of the roof.
3. The plane of the sign face of a roof sign shall be approximately parallel to the face of the building.