A Perforated tarpaulin Tarpaulins are also used for ad printing, most notably for billboards. Perforated tarpaulins are usually employed for medium to big promoting, or for defense on scaffoldings; the intention of the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 0 Times in 0 Posts Pergola https://izmirawning44320.empirewiki.com/8808186/how_tarpaulin_can_save_you_time_stress_and_money