Corrugated Steel Fence – When building a wooden privacy fence there are two types of poles that are usually used: wood and steel. The choice of writing will largely determine how long the fence will last. Be sure to compare the quality, price, and longevity of the shipment. Keep in mind that posting costs are actually only a small part of the total cost of a fence. Wood poles are usually considered the most cost-effective but may not always be the case. Wood posts are often the most popular choice for the privacy of cedar corrugated steel fence.