A Perforated tarpaulin Tarpaulins can also be used for ad printing, most notably for billboards. Perforated tarpaulins are typically useful for medium to substantial advertising, or for defense on scaffoldings; the aim of your perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 29 Instances in 9 Posts https://izmirawning25554.wikikali.com/1257710/everything_about_izmir_pergola