From several materials including plastic, steel, metal and wood, Swing sets come in all sizes and shapes and can be made. However, most longest and durable lasting of all the commercial play sets on the market and studies and research have shown that wood swing sets are the safest. Especially redwood, there are a few reasons why wood makes for the best frame for Swing set Assembly . Known for being a strong timber redwood doesn't need constant coats of wood preservatives, is virtually splinter free and has a natural resistance to decay. To maintain both its rich exterior color and durability, it stains. Most people would assume that to use, steel or metal is the strongest material but there's a reason redwood trees outlast buildings. To a play set frame, Weather is a constant threat and excessive UV sunlight and animals and insects will begin to corrode the metal and take its toll over the year's rain, snow, high winds. When dealing with swing chain links