Geotextile (Woven & Non-Woven)

Overview

Geotextiles are permeable geosynthetic fabrics manufactured from polypropylene (PP) or polyester (PET) polymers, engineered to deliver critical engineering functions in soil and rock mechanics. Kasko Makine supplies a complete range of woven and non-woven geotextiles for civil, geotechnical, hydraulic, and environmental engineering projects — extending asset lifespan, reducing construction costs, and improving long-term structural stability.

Our geotextiles are selected from premium manufacturers and supplied with full technical data sheets, ASTM / ISO certifications, and project-specific engineering support. Whether your project is a highway subgrade, railway ballast, coastal revetment, landfill containment system, or erosion-control channel — we deliver the right fabric specification, on time, with traceable quality assurance.

Primary Functions

• Separation: Prevents intermixing of dissimilar soil layers (e.g. subgrade and aggregate base course), maintaining structural integrity and drainage performance over the full service life of pavements, railways, and earthworks.
• Filtration: Allows water to pass freely while retaining fine soil particles — critical for subsurface drains, edge drains, and filter layers behind retaining walls. Provides long-term clog resistance through optimized opening size (O90 / AOS).
• Reinforcement: Adds tensile strength to weak subgrades and embankments, increasing bearing capacity, enabling steeper slopes, and reducing settlement on soft soils.
• Drainage (In-Plane Flow): Thick non-woven geotextiles transmit water within the fabric plane itself — useful behind retaining structures, in landfill leachate collection systems, and under green roofs.
• Protection: Cushions geomembranes and waterproofing layers against puncture damage from aggregate, roots, and heavy equipment traffic during and after construction.
• Erosion Control: Stabilizes slopes, riverbanks, and coastal revetments by holding soil in place while permitting vegetation growth and natural drainage.

Woven vs. Non-Woven — Selection Guide

• Woven Geotextiles: Manufactured by interlacing polypropylene tape or multifilament yarns on industrial looms. Deliver high tensile strength, low elongation, and dimensional stability — ideal for soil reinforcement, separation under heavy traffic loads, and aggressive environments. Typical applications: road and railway subgrades, haul roads, basal reinforcement of embankments, and silt fences.
• Non-Woven Geotextiles: Produced by needle-punching or thermal bonding of continuous filament polypropylene or polyester fibers. Offer superior filtration performance, high permeability, in-plane drainage capacity, and excellent puncture/protection characteristics. Typical applications: subsurface drainage systems, geomembrane protection in landfills and reservoirs, filtration in coastal and hydraulic structures, and erosion-control blankets.

Applications by Sector

• Road & Highway Construction: Subgrade separation, base reinforcement, pavement overlay interlayers, and edge drain filtration. Extends pavement life by up to 3× on soft or variable subgrades.
• Railway Infrastructure: Ballast-subgrade separation, trackbed reinforcement, and drainage in cuttings and embankments.
• Coastal & Marine Defense: Filtration behind rock armor revetments, beach nourishment containment tubes, and scour protection around harbor structures and offshore installations.
• Landfill & Environmental Containment: Geomembrane cushioning, leachate collection filters, gas-venting layers, and final-cap protection.
• Hydraulic Engineering: Canal and reservoir liner protection, dam filter drains, river training works, and flood embankment reinforcement.
• Tunnel & Underground Works: Drainage behind shotcrete linings, waterproofing protection, and invert drainage.
• Landscaping & Civil Works: Weed suppression, root barriers, French drains, permeable paver bedding, and green roof drainage layers.
• Oil & Gas Infrastructure: Pipeline padding, secondary containment liners, and access-road stabilization in remote terrain.

Technical Specifications

• Polymer Base: UV-stabilized polypropylene (PP) or polyester (PET) — chemically inert, resistant to acids, alkalis, hydrocarbons, and microbial attack.
• Weight Range: 100 g/m² (light separation) through 1,000 g/m² (heavy protection and reinforcement). Custom specifications available.
• Tensile Strength: Woven geotextiles — 20 kN/m to 400+ kN/m ultimate tensile strength (UTS); non-woven — 8 kN/m to 60 kN/m.
• CBR Puncture Resistance: 1,500 N to 12,000+ N depending on weight class — tested per EN ISO 12236.
• Apparent Opening Size (AOS / O90): 0.06 mm to 0.30 mm — selected based on soil gradation and filtration criteria.
• Water Permeability (Vertical): 10 L/m²·s to 200 L/m²·s — tested per EN ISO 11058.
• UV Stability: ≥ 70% strength retention after 500 hours of xenon arc exposure — tested per EN ISO 12224 / ASTM D4355.
• Roll Dimensions: Standard widths of 2 m, 4 m, and 6 m; lengths 50 m to 300 m per roll. Custom lengths available for large projects.

Standards & Compliance

• EN ISO 10318 — Geosynthetics — Terms and definitions
• EN ISO 10319 — Wide-width tensile test
• EN ISO 12236 — Static puncture (CBR) test
• EN ISO 11058 — Water permeability without load
• EN ISO 12956 — Characteristic opening size determination
• ASTM D4491 / D4533 / D4632 / D4751 — US standards equivalent
• CE marking compliant with EN 13249 through EN 13257 (road, rail, hydraulic, drainage, liquid waste, solid waste, and erosion-control applications)

Key Advantages

• Extends the service life of roads, railways, and hydraulic structures by 2–4× when correctly specified
• Reduces aggregate consumption by 30–50% on soft subgrades through separation and reinforcement
• Chemically inert — unaffected by soil chemistry, groundwater pH, or common industrial contaminants
• Lightweight and flexible — rolls handle easily on site with minimal equipment
• Easy installation via overlap or heat-bonded seams — no specialized machinery required
• Long-term durability with UV-stabilized polymers maintaining performance for 50+ year design lives
• Cost-effective alternative to graded aggregate filter layers and traditional granular separators

Installation Guidelines

• Prepare the subgrade by removing sharp objects, large stones, and vegetation; grade to design contours before laying fabric
• Unroll geotextile in the direction of expected traffic or drainage flow; avoid stretching or wrinkling
• Overlap adjacent rolls by 300 mm (soft subgrades) to 1,000 mm (very soft, saturated subgrades) — or heat-seam / sew for critical applications
• Cover with aggregate or soil fill within 14 days of placement to prevent UV degradation during the exposed phase
• Place aggregate using low-ground-pressure equipment; avoid direct tracked-vehicle turning on unprotected fabric
• Minimum initial aggregate lift thickness: 200 mm for heavy traffic, 150 mm for light traffic / pedestrian areas

Industries & Projects Served

• Highway and expressway authorities
• Rail network operators and rolling-stock depots
• Port and marine construction contractors
• Oil & gas pipeline and facility EPCs
• Environmental remediation and landfill operators
• Water utilities — dam, reservoir, and canal builders
• Mining, bulk-materials handling, and haul-road contractors
• Renewable energy — wind farm access roads and solar-park groundworks

Why Choose Kasko Makine Geotextiles

Kasko Makine provides not just material supply but engineering partnership. Our team works with designers, contractors, and site engineers to specify the correct fabric class for each application — balancing mechanical performance, filtration criteria, and cost. Every project is backed by factory test certificates, third-party compliance documentation, and on-site technical support for installation supervision when required.

With warehousing in Istanbul and fast logistics across Türkiye, Azerbaijan, Georgia, Egypt, and Russia, we deliver bulk shipments on demanding project schedules — from initial mobilization through full project rollout.

Ordering & Availability

Standard rolls stocked for rapid dispatch. Large-project quantities and custom specifications (weight, width, polymer type, color) available with 2–4 week lead times. Contact our engineering team with your project details — subgrade CBR values, traffic loads, design life, and drainage requirements — for a tailored product recommendation and project-volume pricing.