A perforated tarpaulin Tarpaulins are employed for ad printing, most notably for billboards. Perforated tarpaulins are usually employed for medium to massive promoting, or for defense on scaffoldings; the intention on the perforations (from 20% to 70%) is to scale back wind vulnerability. Thanked 29 Moments in nine Posts Arc https://izmir-awning27157.pennywiki.com/4582265/izmir_awning_secrets