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How to choose a fence framework

As with chain-link fabric, you'll want to look at three things when deciding on the framework for your chain-link fence: gauge or thickness of the steel, diameter of the pipe, and the type of protective coating. Start with the gauge.

Gauge (ga.) of the steel is an important factor as it's directly related to the strength of the framework. From lightest to heaviest, common gauges of residential fences are 20, 19, 18, 17, 16 and 15. All residential framework should be made from steel that has a minimum yield strength of 45,000 pounds per square inch. Most people tend to ignore tensile strength and concentrate more on the gauge and diameter - but they shouldn’t. Most domestic manufacturers comply with minimum tensile strengths; however, some product (typically imported) not in compliance does make its way into the marketplace. A low tensile strength 16 ga. post may not be as strong as a 17 ga. post with proper tensile strength.

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Decide on the diameter

Diameter is the width of the pipe. It's also a strength factor, because the wider the diameter the more steel is required. Typical diameters are 1-3/8", 1-5/8", 1-7/8", and 2-3/8" for residential fences. ASTM makes the following recommendations for residential chain-link fence framework. Remember these are national standards, and regional considerations tend to alter standard practice. My recommendations generally parallel ASTM’s; however, you can use our online budgetary project estimator to give you commonly used pipe in your area:

Houston Fence : Finish with the coating

There are several types of protective coatings for chain-link fence framework.

Perhaps the most widely used is inline flow-coat galvanized. As steel is formed into pipe in this process, it flows through a pot of molten zinc, coating its exterior surfaces. An organic polymer treatment provides additional exterior corrosion protection. A zinc rich paint coating protects the interior of the pipe.







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