Durable 8 oz Nonwoven Geotextile Fabric
For Filtration and Stabilization
Our 8 oz nonwoven geotextile fabric is engineered from 100% needle-punched polypropylene, offering exceptional strength and filtration capabilities. Ideal for a range of applications including drainage systems, road construction, and erosion control, this fabric ensures long-term performance and reliability.
With a grab tensile strength of 205 lbs and a water flow rate of up to 90 gpm/ft², this geotextile fabric is designed to withstand the rigors of civil engineering projects while providing effective soil separation and filtration.
8 oz Nonwoven Geotextile Fabric Specifications
| Property | Test Method | Minimum Average Roll Value (M.A.R.V.) |
|---|---|---|
| Weight (typical) | ASTM D5261 | 8 oz/yd² (271 g / m²) |
| Grab Tensile | ASTM D4632 | 225 lbs(1 kN) |
| Grab Elongation | ASTM D4632 | 50% |
| Trapezoid Tear Strength | ASTM D4533 | 90 lbs(0.4 kN) |
| Thickness* | ASTM D5199 | 100 mils (2.5 mm) |
| CBR Puncture Resistance | ASTM D6241 | 600 lbs. (2.90 kN) |
| Permittivity* | ASTM D4491 | 1.26 sec -1 |
| Permeability | ASTM D4491 | 0.3 cm/sec |
| Water Flow* | ASTM D4491 | 80-90 gpm/ft² (4074 l/min/m²) |
| A.O.S* | ASTM D4751 | 80 U.S. Sieve (.18 mm) |
| UV Resistance | ASTM D4355 | 70% per 500 hrs |
*Our nonwoven needle punch filter fabrics meet or exceed these specifications.
8 oz Nonwoven Geotextile Fabric – Packaging Details per Roll*
- Roll Dimensions 15' x 690'
- Square Yards per Roll 1150
- Estimated Roll Weight 620 lbs
*Ask us about bulk/pallet nonwoven geotextiles pricing!
Optional Mirafi® Nonwoven Geotextile Alternative
If your project submittals specifically call for Mirafi® nonwoven geotextiles, we can supply Mirafi® N-Series products as an alternative to our standard 8 oz nonwoven geotextile fabric.
Mirafi® nonwoven geotextiles are widely used for drainage, filtration, and soil separation in roadway, French drain, and retaining wall applications. Let us know at quote time if you need Mirafi® listed by name on your geotextile fabric 8 oz drawings or cut sheets.
Learn more on our Mirafi® N-Series Nonwoven Geotextile page or see all Mirafi® nonwoven geotextile options.
8 oz Nonwoven Geotextiles Details
This medium-weight, 8 oz nonwoven geotextile fabric is manufactured from 100% needle-punched polypropylene fibers. The result is a tough, flexible filter fabric that combines high water flow with reliable soil retention for long-term performance in civil and municipal work.
Compared to lighter nonwoven geotextiles (3–5 oz), this geotextile fabric 8 oz offers higher puncture resistance, greater grab tensile strength, and better cushioning under riprap, geomembranes, and roadway sections. At the same time, it maintains the permeability you need for French drains, underdrains, and other stormwater drainage details.
Designers and contractors use this non woven geotextile fabric 8 oz when they need a balance of filtration and strength – heavy enough to survive installation and traffic loading, but open enough to keep water moving and reduce hydrostatic pressure. It performs as both a separation layer and an 8 oz needle punch filter fabric behind walls, around pipes, and beneath stone.
Who Uses 8 oz Nonwoven Geotextile Fabric?
If you are a civil engineer, site contractor, or municipal stormwater manager, this fabric is built for the kinds of projects you see every day. Typical users include:
- Civil and geotechnical engineers detailing separation and filtration layers in roadway and pavement sections
- Site and utility contractors installing French drains, trench drains, and subdrains around structures and utilities
- Municipal and DOT crews constructing stormwater ponds, channels, and erosion control measures
Because this 8 oz geotextile fabric is easy to cut, shape, and conform to uneven subgrades, crews can achieve consistent coverage and overlaps in the field without fighting stiff woven materials.
8 oz Nonwoven Geotextiles Features
- 100% needle-punched polypropylene
- High flow rate (80–90 gpm)
- 205–225 lbs tensile strength
- Flexible, conforms to surfaces
- UV and chemical resistant
- Lightweight, easy to install
- Long-term filtration performance
8 oz Nonwoven Geotextiles Benefits
- Prevents soil migration and loss of fines
- Enhances drainage system life and performance
- Protects slopes, banks, and shorelines
- Provides cushioning and soil separation under liners and hard armor
- Supports erosion control and stormwater management efforts
- Reduces project maintenance and repair costs
In many projects, this 8 oz nonwoven geotextile becomes the workhorse layer – stabilizing soft subgrade, separating clean stone from fines, and acting as a long-term filter fabric behind walls, around drains, and under roadways.
8 oz Nonwoven Geotextiles Applications
This 8 oz nonwoven geotextile fabric is typically used when one layer needs to handle both separation and drainage. On the same site you might use it under base stone, around French drains, and behind retaining walls, so crews can stock a single non woven geotextile fabric 8 oz and use it across multiple details.
If you are a contractor, engineer, or municipal buyer, you’ll see this fabric show up in drawings wherever clean stone meets native soil. It stabilizes soft subgrade, keeps fines out of drainage aggregate, and maintains flow paths so stormwater systems keep working over time.
- Base stabilization for road construction, parking lots, and access roads
- French drains, trench drains, and subsurface drainage around foundations and retaining walls
- Slope reinforcement, shoreline stabilization, and erosion control under riprap or armor stone
- Pond and landfill lining systems where cushioning and filtration are required
- Cushioning underlayment for liners, pipes, and hard armor systems
For teams responsible for meeting stormwater permits, DOT specs, or local erosion and sediment control requirements, this 8 oz nonwoven geotextile fabric helps build sections that match typical details and hold up under real site conditions.
Installation Guidelines For Optimal Performance
- Prepare the subgrade by removing debris, sharp rocks, and organic material, then proof-roll or compact as required.
- Unroll the geotextile fabric over the prepared area, keeping it in full contact with the subgrade without wrinkles or tension.
- Overlap adjacent sheets by at least 12 inches for most conditions; increase overlaps in very soft or saturated soils.
- Secure the fabric with appropriate staples, pins, or trenching, especially along overlaps, edges, and changes in grade.
- Place overlying aggregate or soil from low heights to avoid tearing or shifting the fabric, and spread material from the top of the lift.
Additional Installation Considerations
- Avoid driving equipment directly on the exposed fabric; place a minimum cover layer before trafficking.
- On slopes, anchor the geotextile in trenches at the crest and toe, and maintain overlaps in the downslope direction.
- In cold or wet conditions, check that the fabric remains in firm contact with the subgrade and adjust anchoring as needed.
- Inspect for damage, tears, or displaced overlaps before covering; repair small areas with patched pieces extending beyond the tear.
These installation steps are intended as general guidelines only. Every jobsite is different. Always follow the project plans, specifications, and details provided by the engineer of record, and comply with applicable agency, DOT, and permitting requirements.
For projects that need fabric with greater strength and less filtration, consider Woven Geotextiles as a possible solution.
Need more information on our biodegradable erosion control solutions? See our Erosion Control Line Card.
8 oz Nonwoven Geotextiles Frequently Asked Questions
Nonwoven geotextiles are made from needle-punched polypropylene and designed for filtration, drainage, and separation. They allow water to pass through while retaining soil particles. Woven geotextiles have a stronger tensile strength and are primarily used for stabilization and reinforcement, with less water permeability.
These categories refer to the fabric weight (oz/yd²) and application type:
- Lightweight (3–5 oz): High flow, drainage-focused
- Medium weight (6–8 oz): Balanced strength and filtration
- Heavy weight (10–16 oz): High strength for tough conditions
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