Yeah I figured the way I worded that I could end up with a few smart responses. I didn't know if anyone had any experience doing their own and if they could let me know what they used etc. Steel or wood.
Give the CIE crew a call, I forgot which guy was building them awhile back but he might have some material for you.....#????? try CIE.com??? or look for one of them on the posts and "hyjack".
I Think it was Umali that built a swing bench out of two brand new Ronix ones, it was pretty sick, but at the time it was painful to see that happen, I had just barely saved up the money two buy one of em, and that guy makes a bench out of them!
Those were warranty boards and had no value on the water. The tops looked good, but the bottoms were damaged. I can't afford to make a swing out of two new Ronix boards. It was built by my buddy Brett Davis.
I built one a few weeks ago with a 2x4 Basics kit I ordered from Amazon. It is $46 shipped. You can use it as a bench or as half of a picnic table because the back rotates up to form a table. Here are a couple pics: