Mirafi FW404 Geotextile Fabric - 15' x 300' Roll - Solmax
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The Mirafi FW-series is a woven monofilament geotextile designed for high-flow filtration and drainage.
Woven from monofilament yarns, these fabrics keep large open pathways for water while filtering soil, giving them excellent flow and clog resistance in wet, fine-grained conditions. They are specified for subsurface drainage, riprap bedding, and permanent erosion control.
Where standard wovens would blind or clog, the FW-series maintains permeability over the long term, making it the choice for drainage-critical and high-sediment environments.
Square Feet / Roll: 4,500
Weight: 290 lbs
Fabric Specifications: Download FW404 Specification Sheet
Why Choose Mirafi FW404?
5 reasons engineers specify Mirafi monofilament woven fabric over generic alternatives
Heavy-Duty Monofilament for Class 1 Railroad & Aggressive Drainage
High grab tensile and puncture resistance survives installation under large stone fills, ballast, and aggressive drainage trench conditions.
AREMA-Compliant for Railroad Track Subsurface Drainage
Meets AREMA geotextile requirements for Class 1 railroad drainage applications — one of few fabrics that satisfies this demanding specification by name.
DOT Pre-Approved, ASTM-Tested
Mirafi FW404 appears on state DOT qualified products lists and has published ASTM grab tensile, AOS, and permittivity data for project submittals.
USA-Made, BABA Eligible
Produced in Georgia — qualifies for Build America / Buy America requirements on federally funded railroad and highway projects.
40+ Years on Infrastructure Projects
TenCate Mirafi FW-series monofilament fabrics have a long history on DOT and railroad projects where filtration and survivability performance is documented.


