A perforated tarpaulin Tarpaulins also are used for advertisement printing, most notably for billboards. Perforated tarpaulins are generally used for medium to big marketing, or for protection on scaffoldings; the goal with the perforations (from 20% to 70%) is to cut back wind vulnerability. Thanked 29 Moments in 9 Posts https://chancevwtoh.laowaiblog.com/32982944/fascination-about-pergola