2016-5-7 · Option 1 Use a thermal lance to punch holes in it or cut it apart in about 30 minutes. Option 2 Use an oxyacetlylene torch to cut or drill holes into it in 20 - 60 minutes. Option 3 A large fresnel lens with a good focal point on a sunny day will melt a hole in it in anywhere from 20 minutes to 20 hours.