A perforated tarpaulin Tarpaulins may also be useful for ad printing, most notably for billboards. Perforated tarpaulins are typically used for medium to big advertising, or for defense on scaffoldings; the aim on the perforations (from 20% to 70%) is to lessen wind vulnerability. Thanked 29 Periods in nine Posts https://izmirpergola08416.gigswiki.com/5538572/the_fact_about_tarpaulin_that_no_one_is_suggesting