A Perforated tarpaulin Tarpaulins may also be employed for ad printing, most notably for billboards. Perforated tarpaulins are generally used for medium to huge promotion, or for cover on scaffoldings; the aim from the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 29 Times in 9 Posts https://izmirpergola19392.blogsvila.com/34238372/how-tarpaulin-can-save-you-time-stress-and-money