A perforated tarpaulin Tarpaulins will also be employed for ad printing, most notably for billboards. Perforated tarpaulins are generally employed for medium to substantial advertising, or for defense on scaffoldings; the aim from the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 0 Moments in 0 Posts https://izmir-awning48024.governor-wiki.com/1364627/pergola_things_to_know_before_you_buy