Solmax (Mirafi) · CSI Division 31

Mirafi 140N Geotextile

Non-woven polypropylene geotextile for soil separation, drainage, and filtration beneath roadways and drainage systems.

The full text is for BuildSpec members

Read the complete section, search across every adopted code, run the calculators and ask Copilot — free for 14 days, no card required.

  • Full specifications, certifications and listings
  • Sustainability data (recycled content, VOC, LEED)
  • Related assemblies, CSI sections and code references
  • Insert into a project spec with one click
Start your free 14-day trialSign in