Diy Deck Handrail Ideas . Rebar is sold in long rod lengths, which makes it a great option for a durable railing. Consider black, charcoal or deep brown finishes to whichever material you’re using. 32 DIY Deck Railing Ideas & Designs That Are Sure to Inspire You from morningchores.com If your deck is lucky enough to provide costal views. Measure & cut 2x2's to size. I show you how to space out deck railings.