A perforated tarpaulin Tarpaulins can also be employed for ad printing, most notably for billboards. Perforated tarpaulins are typically used for medium to large marketing, or for defense on scaffoldings; the aim on the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 0 Moments in 0 Posts https://beckettehznh.wikissl.com/1364097/the_smart_trick_of_izmir_awning_that_no_one_is_discussing