A perforated tarpaulin Tarpaulins are also useful for ad printing, most notably for billboards. Perforated tarpaulins are usually used for medium to large advertising, or for cover on scaffoldings; the aim of the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 0 Instances in 0 Posts Pergola https://deancuhrz.mywikiparty.com/1377326/a_review_of_pergola