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Erect Bonnox like this: Eleven steps to success

Step 1
  1.  Order from the friendly people at Bonnox, because then you will get genuine Bonnox fencing, and they will help you to obtain the correct posts, binding wire and tools to do the job.

    Step 4
  2. Measure your fence in sections of 98 metres to provide for tying the ends to the post and put up a plumb line to erect a straight fence.
  3. Secure the corner and straining posts firmly and deeply into concrete; 750 to 800 mm deep. It is a good idea to cast the concrete wider towards the bottom for improved anchorage. Holes for securing the props at the correct angle are already drilled into the straining posts supplied by Bonnox. Should you use your own posts, make sure that the angle with the ground level does not exceed 35˚. The props are also anchored in concrete.

    Step 5
  4. Drive in your Y-posts 10 metres apart next to the plumb line. They may also be placed closer to one another for an even firmer fence. Make sure the posts are upright and the same height. Remember, you need no extra droppers, as the vertical wires will keep the fence upright and firm.

    Step 6
  5. As soon as the concrete is well set, the wire may be unrolled.
  6. Cut out the vertical wires for about half a metre from each end of the fence, and firmly tie the horizontal wires to one straining post, starting from the bottom. The lowest wire should be just above the ground. Finish it off neatly with a true Bonnox twist (hinge joint).

    Step 7
  7. With the rest of the fence still lying flat on the ground, neatly attach a clamp about 1,5 metres from the opposite straining post next to a vertical wire along the whole height of the fence. You can make your own clamp from two I-beams, or simply purchase one from Bonnox.

    Step 8
  8. Now attach two or three fence strainers to the clamp and the straining post and start straining the fence.
  9. It helps to place two or three workers at intervals to lift and shake the fence while straining it. This will ensure uniformity and more efficient straining.

    Step 9
  10. When the horizontal wires are properly strained, you can wind the ends of the horizontal wires around the straining post and once again fasten them with the neat Bonnox twist. The purpose of the kink is to provide play for temperature induced expansion and contraction, and to absorb the impact, should an animal run into the fence.

    Step 10
  11. Now the wire strainers can be removed and the horizontal wires can be secured to the Y-standards. This is done in the following way: Tie the top, bottom and every second line wire by bending the binding wire through the hole in the y-standard and bend it around the horizontal wire, bringing it back to the front before twisting it with pliers. Tip: Cut all the tying wires to the right length before you start in order to expedite the work.

    Step 11

And presto! Your fence is complete and fit to serve for years.

For your fencing needs, call +27(0) 76-169-9068, +27(0) 72-704-8764, +27(0) 81 865 4543 or e-mail, or Also visit their website at


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