A perforated tarpaulin Tarpaulins also are useful for advertisement printing, most notably for billboards. Perforated tarpaulins are generally useful for medium to substantial marketing, or for protection on scaffoldings; the intention of the perforations (from 20% to 70%) is to scale back wind vulnerability. Thanked 29 Times in 9 Posts https://pergola27216.blogsvila.com/34130111/the-fact-about-izmir-awning-that-no-one-is-suggesting