A perforated tarpaulin Tarpaulins will also be employed for ad printing, most notably for billboards. Perforated tarpaulins are usually used for medium to significant promotion, or for cover on scaffoldings; the goal of your perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 29 Instances in nine Posts https://andersonpzdik.sharebyblog.com/34013345/the-izmir-pergola-diaries