A perforated tarpaulin Tarpaulins are also utilized for ad printing, most notably for billboards. Perforated tarpaulins are generally utilized for medium to large promotion, or for defense on scaffoldings; the intention of the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 0 Occasions in 0 Posts Pergola https://izmirpergola66824.westexwiki.com/1368019/5_easy_facts_about_izmir_awning_described