A perforated tarpaulin Tarpaulins also are used for advertisement printing, most notably for billboards. Perforated tarpaulins are typically useful for medium to massive advertising, or for protection on scaffoldings; the purpose from the perforations (from 20% to 70%) is to scale back wind vulnerability. Thanked 29 Times in nine Posts https://izmir-pergola54310.eqnextwiki.com/4847978/indicators_on_izmir_pergola_you_should_know