How to watter proof canvas

[RANGERZ21]

What its the best way to water proof the canvas on my old pop up.

 

[Tom]

Camping and other outdoor stores sell a product called Camp Dry that can be sprayed on the canvas and it repels water. It's also sold by Amazon.com:

http://www.amazon.com/Kiwi-Camp-Heavy-Water-Repellent/dp/B000HJ7CLY