All buildings should be at least 2 feet above ground level, with supports ratproofed with metal disks extending at least 9 inches out from supports, and a clear space should be present underneath the building. All openings should be screened with wire mesh of not less than 1/2-inch mesh, except that doors may be of wood, with metal flashings extending one foot above the bottom of the doors, and doorsills and jambs flashed with metal.
('66 Code, Appendix VII, § 3)