Hardwoods, in general, are more resistant to the elements and rot at a slower rate than softwoods. They're also highly resistant to fungus and insect infestations. Hardwood decking is an excellent choice for those looking for a long-lasting structure that will not degrade after a few years. Decking is made from a variety of hardwood tree species. Oak, IPE, Cumaru, and Teak are some of the varieties that have a slow growth rate. The result is superior quality, look and long life.