The landscape buffer shall consist of a fence a minimum six feet in height and located at the landscape buffer line. The fence shall be constructed of materials to form an attractive, visually opaque screen between the mobile home park and adjacent residential properties. Wood, metal, heavy duty vinyl or masonry fence materials may be specified; however, metal chain link fencing with slat inserts or similar open type fence materials are not permitted. The fence shall be of solid heavy duty construction. It will be maintained and replaced if needed throughout the life of the mobile home development.