A perforated tarpaulin Tarpaulins are useful for ad printing, most notably for billboards. Perforated tarpaulins are typically employed for medium to big promoting, or for protection on scaffoldings; the purpose on the perforations (from 20% to 70%) is to scale back wind vulnerability. Thanked 29 Moments in 9 Posts Arc https://rylanhdyrj.wikikarts.com/1370905/5_simple_techniques_for_izmir_pergola