A perforated tarpaulin Tarpaulins may also be used for advertisement printing, most notably for billboards. Perforated tarpaulins are usually used for medium to big marketing, or for cover on scaffoldings; the goal in the perforations (from 20% to 70%) is to reduce wind vulnerability. Thanked 29 Times in nine Posts https://erickqbhmq.wikibriefing.com/3277400/izmir_awning_secrets