This ventilation fabric is also water resistant, which makes it an ideal choice for harsh outdoor conditions. It can resist heavy rains and winds without tearing or fraying, and it will not be damaged by most chemicals and acids. It can even be used to cover machinery and equipment to protect them from the elements. It is also flame retardant, which is another important feature for m... https://www.duratarpaulin.com/product/pvc-knife-coated-ventilation-material/