A Perforated tarpaulin Tarpaulins will also be used for advertisement printing, most notably for billboards. Perforated tarpaulins are typically used for medium to huge advertising, or for cover on scaffoldings; the purpose with the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 29 Times in nine Posts https://angelopkxrt.blogdal.com/34481092/indicators-on-izmir-pergola-you-should-know