A perforated tarpaulin Tarpaulins are also used for advertisement printing, most notably for billboards. Perforated tarpaulins are typically employed for medium to large promoting, or for cover on scaffoldings; the aim of the perforations (from 20% to 70%) is to lessen wind vulnerability. Thanked 29 Instances in 9 Posts Arc https://rafaelhigcx.sasugawiki.com/6977691/5_essential_elements_for_pergola