Any type of deck you have on your property needs a handrail system. Then you can safely use this deck over the years. Setting up these materials won't be so bad if you carefully approach this installation process from top to bottom. Make Sure Posts are High-Quality The posts of a deck railing system will play a big structural role. You thus want to make sure you invest in high-quality posts that can handle the force they're exposed to from the other decking materials.