I started my tarp making with the blue sil-nylon, not too bad to work with, but compared to new fabrics bulky and heavy.
I jumped on the sil-argon when Dutch offered it. I loved the weight and bulk, but working with it was a royal pain. I normally do not pin much when I sew, and when I got to the end of the ridge seam the bottom fabric had stretched over 4 inches due to the feed dogs pulling the fabric. I had to rip the whole seam out and then pin it and re-sew it.
The main issue with the membrane fabric waa the problem seam sealing it. I was successful by making my own sealant (thin) and applying it to just the threads.
The Xenon was the easiest to work with and I am amazed at how small my winter tarp packs. This is the current winner until Dutch comes out with the next version.
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