Ash Disposal Cap – Martell, CA October 12, 2012 news·Projects by COMANCO COMANCO > COMANCO BLOG > news > Projects > Ash Disposal Cap – Martell, CA COMANCO crew has started the installation of a final cap over an ash disposal area. The cap consists of a 50 Mil LLDPE SuperGrip Net Geomembrane, 10 OZ NonWoven Geotextile & AGRU Closure Turf Down Drains. Previous Post Next Post