A perforated tarpaulin Tarpaulins also are used for ad printing, most notably for billboards. Perforated tarpaulins are generally useful for medium to large promotion, or for protection on scaffoldings; the intention on the perforations (from 20% to 70%) is to scale back wind vulnerability. Thanked 29 Moments in 9 Posts https://kylerzzuof.shivawiki.com/7255866/the_fact_about_izmir_pergola_that_no_one_is_suggesting