A perforated tarpaulin Tarpaulins can also be used for ad printing, most notably for billboards. Perforated tarpaulins are usually used for medium to substantial advertising, or for cover on scaffoldings; the purpose on the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 29 Situations in nine Posts https://tysonknicv.blogitright.com/34297170/rumored-buzz-on-tarpaulin