The waterproof fabric used in waterproof sail have done a finishing procedure called "WR+PU(2)". That means "water resistant + PU(twice)" PU means Polyurethane. Twice means this finishing procedure have done twice.
Thus, the fabric have a waterproof function- grade 90. (The best grade is 90+) You can use it in a small rain for 7-8 hours and it will not seep. (also good at holding water) However, water will seep through the fabric under big rain for more than 10 hours.
This fabric is also UV stabilized but not as good as our HDPE shade cloth. So, if what you wanted is only for the shading, please check the details of our HDPE SHADE SAIL.
Waterproof shade sailsin triangle,rectangule and square shape available. Have a radian which is concave. Best quality Stainless steel 8MM diameter Triabgle Ringat each corner. Webbings inthe whole perimeter of sail and enforced webbing at each corner. 100% polyester material with waterproof feature. Weight: 195-200GSM (Probably the best quality waterproof fabric on the marketsuitable for outdoor products) Color availale: Sand, light grey, cream, black, Taupe Packing: Plastic bag each, several pieces into a carton box.
Usual size: 3x3m 3x4m 3x5m 3x6m
3x3x3m 3.6x3.6x3.6m 5x5x5m Custom made size available, too