Except as otherwise provided, a solid fence, wall or hedge must be erected, placed, grown and maintained along a boundary line of any two-family residential district when adjacent to any single-family residential, mobile home, multifamily or nonresidential use or district. Such fence, wall or hedge shall not be less than six feet (6') in height nor greater than eight feet (8') in height. However, no fence, wall or hedge on a corner lot shall have a height in conflict with the regulations governing visibility at intersections as prescribed in Section 4-C(6) of these regulations[.]