I do see some use of this product. I like to camp in inclement weather and use a heavy duty tarp as a rain cover close to the fire. For walls I just use nylon tarps. They're a bit difficult to rig up and something that sets up quickly might be nice.
Those also might be nice as walls for the awning.
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2006 Ford 6.0PSD EB-50/E-PH SMB 4X4 Rock Crawler Trailer
I was thinking along the same lines as Dave. However, I believe they are only rated up to a 15 mph wind, so I doubt they would last long in inclement weather.
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2007 Ford RB Diesel SMB 4x4 Pueblo Gold; Custom configuration (aisle layout); PIAA 580 driving lights; Picked up on Oct 19, 2007.