A Perforated tarpaulin Tarpaulins are also useful for ad printing, most notably for billboards. Perforated tarpaulins are typically used for medium to big promotion, or for cover on scaffoldings; the aim of the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 0 Moments in 0 Posts Pergola https://tarpaulin94948.wikiparticularization.com/1387519/details_fiction_and_tarpaulin