A containment tarpaulin is formed of an open weave knit stretch fabric having a major pore size which provides sufficient porosity to prevent lift of the tarpaulin due to airfoil effects. The open weave construction, particularly when polyester yarns are utilized, additionally provides resistance to...http://www.google.es/patents/US5865045?utm_source=gb-gplus-sharePatente US5865045 - Knit weave tarpaulin construction
