A Perforated tarpaulin Tarpaulins will also be used for ad printing, most notably for billboards. Perforated tarpaulins are usually employed for medium to huge promoting, or for cover on scaffoldings; the aim in the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 29 Instances in 9 Posts https://rowanbnqme.mywikiparty.com/1379735/little_known_facts_about_izmir_awning