Originally Posted By Bill Kennedy
I see that Ripstop By The Roll has the 1.6oz (1.77oz with coating) but it's a bit less waterproof than the lighter stuff.


https://ripstopbytheroll.com/collections...ant=30371342157

HH 1500mm seems to be enough to me ... Or what do you think? This can be a issue in heavy storm?

Originally Posted By Bill Kennedy
If strength is an issue for your application, keep in mind that nylon is stronger than polyester.


What is strength difference for same heavy fabric? ... let's say 1.6 oz/yd2 nylon vs silpoly ... in percentage ... your guess

m.