Try These DIY Diy Arbors - Projects ...yl. Some concerns with wood structures include rotting, splintering, and decay caused by wood boring pests.Vinyl, on the other hand, is a great mainte...ice because it's very durable and long lasting. Carefully consider the type of metal, though. Iron and steel will rust, which may or may not be desira #homeandyard.info #landscape-arbor-diy #landscape