Open Storage of Materials. All materials and equipment shall be stored in completely enclosed buildings. All open display of products shall be placed no closer to any private or public thoroughfare than the distance equal to the required front yard.

Transition Requirement. There shall be established along the line of any side or rear lot that is contiguous to any residential district, unless the side or rear lot line coincides with a State or Federal highway, a buffer area at least fifteen (15) feet in width plus five (5) feet additional width for each ten (10) foot interval or fraction thereof of the height of the principal building exceeding fifteen (15) feet in height. The buffer area shall be landscaped and fenced to provide screening of the operations of the lot from adjoining residential districts.