A perforated tarpaulin Tarpaulins are also useful for ad printing, most notably for billboards. Perforated tarpaulins are usually used for medium to big marketing, or for defense on scaffoldings; the intention from the perforations (from twenty% to 70%) is to lower wind vulnerability. Thanked 29 Times in nine Posts Arc https://izmirtente72270.dekaronwiki.com/1367688/detailed_notes_on_izmir_pergola