A perforated tarpaulin Tarpaulins are also employed for ad printing, most notably for billboards. Perforated tarpaulins are typically employed for medium to big promotion, or for defense on scaffoldings; the goal from the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 29 Times in 9 Posts Arc https://izmir-awning84703.wiki-racconti.com/8066987/pergola_options