A perforated tarpaulin Tarpaulins are also useful for advertisement printing, most notably for billboards. Perforated tarpaulins are generally useful for medium to large advertising and marketing, or for cover on scaffoldings; the aim in the perforations (from 20% to 70%) is to lessen wind vulnerability. Pergola must be attached to https://izmir-awning46676.theobloggers.com/40427359/the-izmir-pergola-diaries