if you are thinking of building a deck, you face many choices in- cluding what decking boards to use. There are many factors to consider, and there is no perfect option. Considering the pros and cons of each product will help you decide which decking board to use. This fact sheet brie y describes each type of decking material and discusses some of the pros and cons of each. Some of the important factors in choosing decking boards for your project include price, availability, con- struction exibility, maintenance There are three main types of boards that can be used to make decks: preservative-treated wood, naturally durable wood and wood/ plastic composite (WPC) lumber. Untreated, non-durable wood such as pine is not recommended for building decks. In some parts of the country untreated wood can last for a few years; but in the warm, humid climate of Tennes- see, untreated wood will quickly rot and won’t last long enough to justify any cost savings. Ex tension DECKING LUMBER OPTIONS Treated wood Preservative chemicals can be added to otherwise susceptible wood to make it resistant to decay fungi (rot) and insects. Wood protec- tion treatment is achieved by forcing chemicals deep into wood using a combination of vacuum and pres- sure. Pine is often used for this in the southern United States be- cause it is strong, inexpensive and is usually well penetrated by the chemical solutions. The result is treated wood that is protected from rot and fungi for many years. Preserva- tive-treated wood for decking is widely avail- able at most retail outlets. It is often green in color. Many people are familiar with it because it is so com- monly used. Brand names for treated wood include Yel- lawood, Preserve and Wolman- ized lumber. struction exibility, maintenance and environmental impact. Each of these factors will be addressed in the discussion of each material. cause it is strong, inexpensive and is usually well penetrated by the chemical solutions. The tive-treated wood for decking is widely avail- able at most retail outlets. It is often green in color. Many people are familiar with it because it is so com- monly used. Brand names for treated wood include Yel- lawood, Preserve and Wolman- ized lumber.

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