A perforated tarpaulin Tarpaulins will also be used for ad printing, most notably for billboards. Perforated tarpaulins are usually useful for medium to large advertising, or for defense on scaffoldings; the purpose of your perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 0 Times in 0 Posts https://elliottyyvrk.wikikali.com/1265068/5_simple_statements_about_izmir_awning_explained