A perforated tarpaulin Tarpaulins are also used for ad printing, most notably for billboards. Perforated tarpaulins are generally employed for medium to substantial marketing, or for cover on scaffoldings; the aim of the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 0 Situations in 0 Posts Pergola https://reidtwxis.onesmablog.com/izmir-pergola-an-overview-74669101