A Perforated tarpaulin Tarpaulins are also used for advertisement printing, most notably for billboards. Perforated tarpaulins are usually used for medium to significant marketing, or for cover on scaffoldings; the purpose on the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 0 Times in 0 Posts Pergola https://ricardoknkgb.blogvivi.com/34755393/5-tips-about-izmir-awning-you-can-use-today