A perforated tarpaulin Tarpaulins also are useful for ad printing, most notably for billboards. Perforated tarpaulins are usually used for medium to large advertising, or for defense on scaffoldings; the intention with the perforations (from 20% to 70%) is to cut back wind vulnerability. Thanked 29 Moments in 9 Posts https://izmir-pergola39268.mdkblog.com/39950128/tarpaulin-secrets