A perforated tarpaulin Tarpaulins may also be useful for ad printing, most notably for billboards. Perforated tarpaulins are usually used for medium to massive advertising, or for defense on scaffoldings; the intention from the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 0 Periods in 0 Posts https://izmir-pergola71924.bloguetechno.com/little-known-facts-about-izmir-awning-69273889