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| MATERIALS |
| The best results will be obtained using 12-1/2 gauge wire with a yield strength of at least 200,000 pounds per square inch. Staple pullout can be reduced by using 1-3/4 inch, 9 gauge, hot-dipped, galvanized staples with slash cut points. Battens can be used to maintain wire spacing in place of more expensive line posts. Battens may be wood, steel, or fiberglass. Angle groove battens are made to hold the wire in place without clips; straight groove battens require the use of wire clips. The most suitable material for posts to be used in high-tensile fencing is pressure treated soft wood, usually Southern Pine in Florida. All wood posts used in Florida should be pressure treated and purchased only from a dealer who can certify the treatment offered, as improperly treated posts are one of the weakest links in a fencing system. Figure 1. High-Tensile Wire Spacing. TYPES OF PRESSURE TREATED POSTS Three types of pressure treated posts are available in Florida. Creosote-treated posts have excellent resistance to insect damage and decay. They absorb little moisture and have good resistance to grounding when used for electric fences. There are some disadvantages of creosote-treated posts. Paint does not adhere to creosote, and contact with creosote irritates the skins of workers and may damage the hides of sensitive livestock. Creosote posts should contain at least 8 pounds of creosote per cubic foot and meet the requirements of AWPA (American Wood Preservers Association) Standard C-16. Another wood preservative suitable for protecting fence posts is CCA (chromated copper arsenate). Posts treated with this material are dry and can be painted. CCA pressure treated wood posts should meet AWPA Standard P-5. Posts treated with CCA should contain at least 0.4 pounds per cubic foot. |
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