(a) No building shall be erected in this District, whether principal or accessory, which has any part of its exposed exterior wall surface composed of concrete block or cinder block, except as hereinafter set forth. Exposed exterior surfaces on such buildings shall be composed of the following materials only; unless an additional material is approved by the Planning Commission, to be of equal or superior quality and aesthetic character when used under the circumstances proposed:
(1) Brick;
(2) Stone;
(3) Glass;
(4) Metal, only as approved by the Planning Commission;
(5) Marble;
(6) Wood for trim purposes only, unless approved by the Planning Commission.
(b) Concrete block may be used for exposed exterior wall surfaces on the rear wall only where upon approval of the Planning Commission such building is so located that such rear wall would not be viewable by passersby or any part of the general public.
(Ord. 2717. Passed 2-10-86.)