For USA/Canada, I can't find Rust-oleum Painter's Touch in golden sunshine. Is this a typo; did you mean gloss golden sunset or gloss sun yellow?
http://www.rustoleum.com/product-catalog/consumer-brands/painters-touch-2x-ultra-cover/
What weight would you use for the canvas? I'm considering buying the untreated duck cloth and dyeing it myself.
http://www.outdoorfabricscanada.com/60-Width_c_1238.html