A Perforated tarpaulin Tarpaulins can also be used for advertisement printing, most notably for billboards. Perforated tarpaulins are typically useful for medium to big advertising, or for protection on scaffoldings; the aim of your perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 29 Situations in 9 Posts https://izmirpergola31740.humor-blog.com/33104524/the-izmir-pergola-diaries