A Perforated tarpaulin Tarpaulins will also be employed for advertisement printing, most notably for billboards. Perforated tarpaulins are usually employed for medium to big promotion, or for defense on scaffoldings; the aim from the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 29 Instances in 9 Posts https://izmir-pergola13333.ourabilitywiki.com/9867688/little_known_facts_about_izmir_awning