The Surfers Corner - PU or Epoxy: Which one is best? "As most of us can’t afford a large quiver of boards, one really solid option you can consider is looking at having your board made with PU foam and Epoxy resin. This will give you the trusty feel and performance of your standard board, but with the added strength of epoxy resin instead of polyester"
Kent Senatore. "Surfboard Design". surfboardshack.com. Retrieved 2009-05-17.
surfline.com
"Surfline.com". www.surfline.com. Retrieved 17 March 2018.
Marcus, Ben (October 2000). "Surf Leashes". Surfline/Wavetrak. Retrieved 2007-01-11.
Recently, the largest producer of these blanks, Clark Foam announced its Surfline.com closure. This move drastically affected surfboard production and has become known to surfers as Blank Monday or Black Monday.
