I pulled up this thread while searching for recommendations for waterproofing my dodger.
I waterproofed my Bimini over 12 months ago with this:
www.whitworths.com.au/starbrite-waterproofing-fabric-treatment-3-7l and it has performed very well.
BUT, it costs an arm and leg ($120 for 3.7ltr), especially when it took at least 2.5 ltr to do the job. However, some mightn't mind the cost for something that works well.
For me though, I figure there must be a product that will do the same job at a more competitive price.
'regards to all,
allan