: I used the Z Spar and it's great stuff. Just the slightest bit of
: yellow to it, but pretty much clear. However, I have switched to
: spraying automotive clearcoat 2-part polyurethane finish. Try
: Xotic "Sun Bloct Cleer". (They like to mispell all
: their words.

: http://www.xoticcolours.com/products_final_cleer_topcoat.htm

Malcolm,
I don't have the space, equipment, nor expertise to spray on a clear-coat finish. But I would sure try it if I could. It sounds like a good way to get a clear, non-yellow finish. I'm glad to know the Z Spar Ultra Clear is an option for me. Thanks,
Dale