A perforated tarpaulin Tarpaulins are also used for advertisement printing, most notably for billboards. Perforated tarpaulins are typically utilized for medium to significant advertising, or for cover on scaffoldings; the intention in the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 29 Times in nine Posts Arc https://jeffreyqdozj.jasperwiki.com/6633615/pergola_things_to_know_before_you_buy