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Terrafix Geo Textile 2m Wide
Terrafix Geo Fabric is a 2m-wide, Australian-made non-woven geotextile built for coastal stabilisation, landfill liners, and civil drainage. It handles hydrocarbon exposure, UV, and abrasion without losing strength, and its high elongation means it won't tear up during install or lose soil contact on uneven ground.
Not for structural reinforcement on its own. It's a filtration and separation layer, not a load-bearing fabric. If you need tensile reinforcement, spec a woven product instead.
Vendor:
Soil Filter
SKU:
GEOFAB140/1000/BOX
Availability:
In Stock
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Description
x
Use Terrafix Geo Fabric for: Stabilizing coastal structures, protecting landfill lining systems, soil filtration, separation, and drainage in civil engineering projects.
Terrafix Geo Fabric is a high-performance, non-woven staple fibre geotextile designed for demanding applications in coastal and landfill environments. Manufactured in Australia, it provides a unique combination of mechanical strength, hydraulic properties, and durability. Made from either polyester or polypropylene fibres, Terrafix Geo Fabric is engineered to protect impermeable liners, ensuring long-term stability and performance. Its high elongation properties minimize installation damage and ensure effective soil contact, interaction, and stability. Terrafix Geo Fabric's resistance to abrasion, UV degradation, and hydrocarbons makes it a reliable solution for a wide range of civil engineering projects.
Key Features of Terrafix Geo Fabric Non-Woven Stable Fibre Geotextile
- High Strength: Offers exceptional CBR burst strength and wide strip tensile strength, providing robust reinforcement and stability for coastal structures and landfill lining systems.
- UV Resistance: Exhibits high retention of strength after accelerated UV exposure, ensuring long-term performance in exposed environments.
- Abrasion Resistance: Maintains strength after abrasion, making it suitable for dynamic environments where mechanical stress is a concern.
- Excellent Filtration Properties: Provides optimal pore size and permeability, allowing for effective filtration while preventing soil particle migration.
- Chemical Resistance: Demonstrates high retention of strength after hydrocarbon (diesel) exposure, ensuring durability in contaminated environments.
- Australian-Made: Developed and tested in accordance with Australian standards, ensuring quality and reliability for local conditions.
Technical Overview
Terrafix Geo Fabric non-woven geotextiles are engineered to provide a balance of mechanical and hydraulic properties essential for the stability and longevity of civil engineering projects. The staple fibre blend and inbuilt flexibility allow for effective soil interaction and stability, while the hydraulic characteristics ensure efficient filtration and drainage. These geotextiles are designed to withstand the harsh conditions of coastal and landfill environments, providing reliable performance over time.
Fibre Type: 100% Virgin Polyester Fibre
Pore Size (O95): ≤ 75 µm (AS 3706.7), 108-182 µm (ASTM D6767 - Capillary Flow Method) - Provides effective filtration while preventing soil particle migration.
Application Information
- Applications: Coastal protection, landfill lining systems, soil stabilization, filtration, separation, drainage, and erosion control.
- Installation: High elongation properties minimize installation damage and ensure effective soil contact, interaction, and stability.
- Industry Standards: Developed and tested in accordance with Australian standards (AS 3706) and ASTM standards.
Storage and Shelf Life
- Storage Recommendations: Store in a dry place, protected from direct sunlight and mechanical damage.
- Handling Precautions: Handle with care to avoid punctures or tears.
Certifications
- Tested in accordance with Australian Standards (AS 3706)
- Tested in accordance with ASTM Standards
Common Questions
xFrequently asked questions
What are the primary uses for Terrafix Geo Fabric?
Terrafix Geo Fabric is used for soil filtration, separation, and drainage in civil engineering, coastal stabilisation, and landfill lining systems. It prevents soil particle migration while allowing water flow, crucial for long-term project integrity.
How does Terrafix Geo Fabric protect geomembrane liners?
It significantly reduces stress on impermeable liners by distributing loads and preventing puncture from aggregate. This protection is vital for maintaining the integrity of landfill and containment systems over time.
Is this geo fabric suitable for coastal or exposed environments?
Yes, Terrafix Geo Fabric offers high abrasion and UV resistance, making it suitable for stabilising coastal structures. This ensures durability in harsh environmental conditions where exposure is constant.
What are its hydraulic properties?
Terrafix Geo Fabric provides optimal pore size and permeability for effective filtration. It has a coefficient of permeability ranging from 20 x 10-4 m/s to 48 x 10-4 m/s, ensuring efficient water movement through the system.
Can Terrafix Geo Fabric withstand chemical exposure?
Yes, it demonstrates high retention of strength after hydrocarbon (diesel) exposure, specifically over 90% in tested grades. This makes it a reliable choice for contaminated environments such as landfill and industrial sites.
Uses & Benefits
xApplications and benefits
| Application | Key benefit | Primary trades |
|---|---|---|
| Geomembrane liner protection | Reduces force on impermeable liners, preventing puncture damage with high impact strength. | Landfill operators, civil contractors |
| Coastal and shoreline stabilisation | Prevents erosion and maintains structural integrity with high abrasion and UV resistance in harsh environments. | Coastal engineers, marine contractors |
| Soil separation and filtration | Prevents intermixing of soil layers and retains soil particles while allowing water flow, crucial for road bases and drainage. | Road builders, civil contractors |
| Drainage systems | Facilitates efficient water flow while preventing clogging, ensuring long-term performance of subsurface drains. | Civil contractors, drainage specialists |
| Erosion control on slopes | Stabilises vulnerable soil surfaces, reducing soil loss and maintaining landscape integrity. | Landscape contractors, civil engineers |
| Road and pavement construction | Reinforces sub-bases and separates aggregate layers, enhancing load distribution and extending pavement life. | Road builders, civil contractors |
How To Apply
xHow to apply Terrafix Geo Fabric Non-Woven Stable Fibre Geotextile:
- Surface Preparation: Ensure the subgrade is smooth, free of debris, and properly compacted.
- Placement: Roll out the Terrafix Geo Fabric geotextile to the required dimensions, ensuring proper overlap between rolls.
- Securing: Secure the geotextile with pins or other appropriate methods to prevent movement during installation.
- Backfilling: Place fill material over the geotextile, ensuring it is placed carefully to avoid damage.
- Compaction: Compact the fill material according to project specifications.
Limitations and Safety Info
xProduct limitations
- Installation: Requires adherence to proper installation techniques to prevent damage and ensure specified performance. Incorrect handling or placement can compromise its function.
- Grade selection: The correct Terrafix Geo Fabric grade must be selected based on specific project requirements, loads, and environmental conditions. Using an underspecified grade can lead to premature failure.
- Storage: Protect rolls from prolonged exposure to direct sunlight during storage to prevent UV degradation before installation.
Safety and handling
Personal protective equipment
Wear appropriate work gloves and safety footwear when handling and installing. Consider safety glasses for cutting operations.
Handling
Handle rolls with care to avoid trips, falls, and musculoskeletal injuries. Use appropriate lifting equipment for larger rolls.
Cutting
Use sharp, appropriate cutting tools such as heavy-duty utility knives or powered shears. Exercise caution to prevent injury during cutting.
Storage and disposal
Store rolls in a cool, dry place away from direct sunlight. Dispose of waste material according to local regulations for inert construction waste.
Suitable Substrates
xSubstrate guide
Proper ground preparation is critical for the long-term performance of Terrafix Geo Fabric, ensuring stability and preventing premature failure.
Soil
Surface prep: Prepare the subgrade to a stable, even surface free of sharp objects, large stones, or debris that could damage the fabric. Compact as required for the application.
Primer: Not required. The fabric is laid directly onto the prepared soil.
Sand
Surface prep: Ensure the sand bed is level and free of foreign materials. Compact as necessary to provide a firm base, particularly in coastal or hydraulic applications.
Primer: Not required. The fabric acts as a separation and filtration layer within the sand.
Aggregate
Surface prep: Grade the aggregate layer to ensure a smooth, stable surface. Remove any sharp edges or protruding aggregate that could stress the fabric.
Primer: Not required. The fabric is positioned between aggregate layers for separation.
Geomembranes
Surface prep: Ensure the geomembrane surface is clean, dry, and free of wrinkles or creases. The geo fabric is applied as a protective layer, so the underlying membrane must be correctly installed.
Primer: Not required. The geo fabric provides a cushioning and protective barrier for the geomembrane.
Terrafix Geo Textile 2m Wide Physical Properties
| Property | Value |
|---|---|
| Material Type | 100% Virgin Polyester Fibre |
| Tensile Strength | 870 N (400 R), 1,440 N (600 R), 2,160 N (900 R), 3,260 N (1200 R) |
| Impact Strength | 5.8 kJ/m2 (400 R), 12.7 kJ/m2 (600 R), 18.6 kJ/m2 (900 R), 30.0 kJ/m2 (1200 R) |
| UV Resistance | >50% (400 R), >60% (600 R), >80% (900 R, 1200 R) |
| Water Vapour Transmission | 141 L/m2/s (400 R), 69 L/m2/s (600 R), 45 L/m2/s (900 R), 30 L/m2/s (1200 R) |
| Chemical Resistance | >90% (400 R, 600 R, 900 R, 1200 R) |
| Coefficient of Permeability | 48 x 10-4 m/s (400 R), 34 x 10-4 m/s (600 R), 23 x 10-4 m/s (900 R), 20 x 10-4 m/s (1200 R) |
| Apparent Opening Size (AOS) | ≤75 µm (400 R, 600 R, 900 R, 1200 R) |
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