A Perforated tarpaulin Tarpaulins will also be used for advertisement printing, most notably for billboards. Perforated tarpaulins are usually employed for medium to big promotion, or for protection on scaffoldings; the goal in the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 29 Periods in nine Posts https://izmir-awning66420.wikipublicist.com/5169602/everything_about_izmir_pergola