A perforated tarpaulin Tarpaulins also are useful for ad printing, most notably for billboards. Perforated tarpaulins are generally utilized for medium to massive promoting, or for cover on scaffoldings; the goal from the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 0 Instances in 0 Posts Pergola https://stephensutpk.empirewiki.com/8801441/the_izmir_pergola_diaries