A perforated tarpaulin Tarpaulins also are utilized for advertisement printing, most notably for billboards. Perforated tarpaulins are typically employed for medium to big marketing, or for cover on scaffoldings; the aim from the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 29 Times in 9 Posts Arc https://sethgklmn.wikiusnews.com/1382830/fascination_about_pergola