A perforated tarpaulin Tarpaulins will also be used for advertisement printing, most notably for billboards. Perforated tarpaulins are typically utilized for medium to large promoting, or for cover on scaffoldings; the purpose of the perforations (from 20% to 70%) is to lessen wind vulnerability. Pergola need to be hooked up https://izmirpergola53755.wikigdia.com/6986529/5_simple_statements_about_izmir_awning_explained