A Perforated tarpaulin Tarpaulins will also be used for ad printing, most notably for billboards. Perforated tarpaulins are generally useful for medium to huge advertising, or for defense on scaffoldings; the purpose from the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 29 Times in nine Posts https://fernandomjfcv.wikibestproducts.com/1392701/how_izmir_tente_can_save_you_time_stress_and_money