7 The permanent fence 01 | Fence Tape When it comes to semi-permanent fences, the most-used option is 40 mm tapes due to their high visual barrier. 40 mm tapes are often combined with 20 mm tapes or the fence rope. 02 | Fence Rope Fence ropes are also considered to be semi-permanent fencing. In most cases, rope is used in combination with a 40 mm fence tape. 03 | Premium Horse Wire The permanent fence with AKO Premium Horse Wire is the ultimate permanent horse fence! The 2.5 mm thick steel wire coated with black and white plastic not only provides an extremely strong mechanical barrier for horses, it is also extremely long-lived.