Thanks for the response Muddy, I realize companies are using this blend it but Im interested in how it holds up. Many years ago all tents where made from PU coated fabric. The PU coatings of yesteryears did not like being stored. On more than one occasion I have opened up a tent that was delaminating with a strong vomit smell. Since I moved to Silnylon and Cuben this problem has not happened. So I'm kinda reluctant to go back to PU coatings.