Sattlers 745 FR is a flame-retardant PVC-coated membrane and a weatherproof fabric that meets U.S. market requirements . It boasts top features such as high-gloss top varnish which ensures best self-cleaning properties and protects the fabric against ageing. A strong polyester base fabric combined with an adequately thick, knife-coated PVC layer gives you the fabric you need for those heavy duty applications including awnings, light structures, canopies and tents. Backed by an 8 year warranty.