Good – 14 oz. coated vinyl – Waterproof and excellent for lightweight tarping systems. UV and abrasion resistance.
Better – 18 oz. coated vinyl – Waterproof. Has good strength along with abrasion and UV resistance.
Best – 22 oz. coated vinyl – Waterproof. High tear strength vinyl with about 25% more abrasion resistance than 18 oz. Fine UV characteristics.