A perforated tarpaulin Tarpaulins will also be useful for ad printing, most notably for billboards. Perforated tarpaulins are usually useful for medium to substantial promoting, or for cover on scaffoldings; the intention with the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 29 Times in 9 Posts https://izmir-awning50379.buyoutblog.com/33963337/pergola-no-further-a-mystery