Hot Tub Deck This deck was built with clear cedar which means there are no knots in the lumber. Glass railings were installed to complete the deck. cool Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on LinkedIn (Opens in new window)