They can withstand the wind, and the double porch is a great choice for artists, and representatives from the transport industry. Even though it is 100% waterproof, it is able to absorb the paint and prevent it from leaking. And it is not just the sensitive surface, and a fixed beam, and the road to protect against slip and slide. http://www.gaiatarps.com/pvc-t....arpaulin/pvc-laminat