A perforated tarpaulin Tarpaulins will also be useful for ad printing, most notably for billboards. Perforated tarpaulins are typically used for medium to large advertising, or for protection on scaffoldings; the aim on the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 0 Times in 0 Posts https://izmir-awning87147.p2blogs.com/33090644/the-izmir-pergola-diaries