A perforated tarpaulin Tarpaulins also are useful for ad printing, most notably for billboards. Perforated tarpaulins are generally used for medium to huge promoting, or for defense on scaffoldings; the intention of your perforations (from 20% to 70%) is to lessen wind vulnerability. Thanked 0 Instances in 0 Posts Pergola https://izmir-awning59247.thezenweb.com/5-essential-elements-for-pergola-72132188