Hi Trek,
I used Star Brite waterproofing - excellent results, but very pricy.
I bought the 3.78ltr version from somewhere (?) online (cheaper than Whitworths), much more economical.
Don't get it on your deck as it will make it very slippery!
www.whitworths.com.au/starbrite-waterproofing-fabric-treatment-650mlregards,
allan
