Within 200 feet of a Residence District boundary, open storage of materials or products shall be permitted only if effectively screened by a solid wall or fence (including solid entrance and exit gates) at least eight feet in height.

In addition, such solid wall or fence:

(a)        shall not be located within a front yard ;

(b)        shall be maintained in good condition at all times; and

(c)        shall have no signs hung or attached thereto other than those permitted in Sections 42-52 (Permitted Signs), and 126-14 (Sign Regulations), inclusive.