Spacecraft . floor assembly Posted on December 1, 2015December 5, 2015 by dkoa set of three welded steel box trusses, pre-drilled and assembled together with two ply 1in marine plywood and recycled industrial rubber conveyor belt flooring. Three (3) welded steel box trusses required for this floor assembly. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Share on Tumblr (Opens in new window) Tumblr Share on LinkedIn (Opens in new window) LinkedIn Like Loading... Related