A Perforated tarpaulin Tarpaulins may also be utilized for advertisement printing, most notably for billboards. Perforated tarpaulins are usually used for medium to substantial promotion, or for defense on scaffoldings; the goal with the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 29 Instances in 9 Posts https://pergola75284.hamachiwiki.com/1381899/pergola_things_to_know_before_you_buy