A perforated tarpaulin Tarpaulins also are used for advertisement printing, most notably for billboards. Perforated tarpaulins are generally utilized for medium to big advertising, or for protection on scaffoldings; the aim of the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 29 Situations in 9 Posts Arc https://pergola97396.shopping-wiki.com/9054985/everything_about_izmir_pergola