A perforated tarpaulin Tarpaulins may also be used for ad printing, most notably for billboards. Perforated tarpaulins are usually used for medium to large advertising, or for protection on scaffoldings; the purpose on the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 29 Periods in 9 Posts https://laneyzxvr.lotrlegendswiki.com/1388418/tarpaulin_can_be_fun_for_anyone