A perforated tarpaulin Tarpaulins will also be used for ad printing, most notably for billboards. Perforated tarpaulins are typically used for medium to substantial marketing, or for cover on scaffoldings; the purpose on the perforations (from 20% to 70%) is to lower wind vulnerability. A substantial-duty poly tarp is heavier https://augustjqsrq.wikilentillas.com/1364821/pergola_no_further_a_mystery