A perforated tarpaulin Tarpaulins may also be used for ad printing, most notably for billboards. Perforated tarpaulins are typically used for medium to large promoting, or for protection on scaffoldings; the purpose on the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 29 Moments in 9 Posts https://keeganqqlfy.blog-kids.com/34382024/pergola-options