A perforated tarpaulin Tarpaulins will also be useful for advertisement printing, most notably for billboards. Perforated tarpaulins are typically employed for medium to huge advertising, or for cover on scaffoldings; the aim on the perforations (from 20% to 70%) is to lessen wind vulnerability. Thanked 29 Situations in 9 Posts https://gunnerbzgym.thekatyblog.com/32846351/pergola-things-to-know-before-you-buy