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Product Advantage
1. Advanced Stitchbond Technology
Stitchbond fabric employs a proprietary sewing-bonding process that interlocks fibers into a reinforced matrix, delivering 30% higher tensile strength (≥2500N/m) than traditional nonwovens. This unique structure ensures dimensional stability under high pressure, making it ideal for retaining walls and stormwater systems. Tested to ASTM D6706 standards, it withstands prolonged exposure to moisture and chemicals, reducing replacement costs by up to 50%.
2. Precision Filtration with Optimal Porosity
Featuring a controlled pore size distribution (10-50μm), this fabric filters sediments, silt, and debris while maintaining water flow rates of 15-20L/m²/s. Its needle-punched design balances permeability and particle retention, preventing clogging in drainage pipes and green roof systems. Independent lab tests (SGS-certified) confirm 98% efficiency in removing particles ≥50μm, ensuring long-term system performance.
3. UV and Chemical Resistance
Engineered with UV stabilizers and chemical-resistant polymers, stitchbond fabric retains 90% of its strength after 5 years of outdoor exposure (ASTM G154 accelerated testing). It resists degradation from oils, solvents, and biological agents, making it suitable for industrial and municipal drainage applications. This durability reduces maintenance frequency by 70%, aligning with ISO 13934 environmental sustainability guidelines.
4. Global Compliance & Cost-Effectiveness
Compliant with GB/T 17638, EN 13249, and AASHTO M288 standards, our stitchbond fabric undergoes rigorous quality control. It offers a 10-year warranty, backed by 20+ years of industry experience and 100+ successful projects worldwide. Compared to traditional materials, it cuts installation time by 40% and lifecycle costs by 35%, positioning it as a smart investment for contractors and architects.
Technical Parameters
| Item | Specification | Test Standard | Application Scenarios |
| Material Type | Polyester/Polypropylene Ne | GB/T17638 | Drainage system filters， retaining wall filtration |
| Weight Range | 40-350GSM(Customizable) | ASTM D5261 | Basement waterproofing， green roof drainage |
| Tensile Strength | ≥2500N/m(Machine Direct | ISO 13934-1 | High-pressure structural support systems |
| Elongation at Break | ≤25% | EN 10002-1 | Drainage systems adapting to soil settlement |
| Porosity | 45-60% | GB/T 19979.1 | Balanced filtration and water permeability |
| Water Permeability | 15-20L/m²/s(@10kPa Press | ASTMD4491 | Stormwater drainage， underground runoff collection |
| Temperature Range | (-)40℃~+200℃ | IEC 60245-2 | Drainage projects in extreme climates |
| Fire Rating | B1 Class (GB 8624) | UL94V-0 | Fire-sensitive areas (underground garages， tunnels) |
| UV Resistance | 90% Strength Retention afte | ASTM G154 | Exposed drainage systems (e.g.， roof drainage) |
| Eco-Certification | OEKO-TEX 100 (Class 1) | ISO 14001 | Green buildings， sustainable development projects |
| Thickness | 0.8-3.0mm(Customizable) | GB/T3820 | Customized drainage system designs |
| Width | 1-5m (Customizable) | AASHTO M288 | Large-scale construction projects |
Product Uses
Basement Waterproofing Systems
Stitchbond fabric is installed as a filtration layer in basement drainage systems to prevent soil particles from clogging pipes while maintaining efficient water flow (15-20L/m²/s). Its UV-stabilized structure (ASTM G154 certified) resists corrosion from groundwater, reducing mold formation and extending system durability by 5+ years.
Green Roof Drainage
In rooftop gardens, this fabric filters debris from irrigation runoff while supporting 45-60% porosity for root aeration. Its customizable thickness (0.8-3.0mm) balances load-bearing capacity and water retention, complying with EN 13249 standards for sustainable urban green infrastructure.
Parking Lot Drainage
Engineered for high-traffic areas, stitchbond fabric withstands vehicle weight (≥2500N/m tensile strength) and filters oils/sediments. Its B1 fire rating (GB 8624) meets parking garage safety requirements, reducing maintenance costs by 35% compared to traditional materials.
Retaining Wall Filtration
Installed behind retaining walls, the fabric prevents soil erosion and clogging in weep holes. Its controlled pore size (10-50μm) ensures effective silt separation, aligning with AASHTO M288 guidelines for slope stabilization in highway and railway projects.
Tunnel Drainage Systems
In tunnels, stitchbond fabric’s flame-retardant properties (UL 94 V-0) and chemical resistance protect against hydrocarbon leaks. Its extreme temperature tolerance (-40℃~+200℃) ensures reliability in metro and road tunnels, supporting 10-year warranties.
Industrial Wastewater Treatment
Applied in factory drainage systems, this fabric filters heavy metals and pollutants while maintaining permeability. Its OEKO-TEX 100 certification makes it suitable for food processing and chemical plants, meeting ISO 14001 environmental standards.
Product Operate Guide
Stitchbond Fabric Installation & Operation Guide for Building Drainage Systems
1. Installation Preparation
Material Check：Verify product specifications (e.g., GSM, width) match project requirements (ASTM D5261 certified).
Surface Preparation：Ensure the installation area is clean, level, and free of sharp objects to prevent fabric damage.
Tools Required：Utility knife, stapler, measuring tape, and geotextile pins (compatible with ISO 13934 standards).
2. Step-by-Step Installation
A. Basement Waterproofing
Lay Fabric：Unroll the stitchbond fabric (80-150GSM) along the basement wall, overlapping edges by 10-15cm.
Secure Position：Staple or pin the fabric to the foundation, ensuring tension to avoid sagging.
Connect to Drainage Pipes：Align fabric edges with perforated pipes, securing with waterproof tape (compatible with GB/T 17638).
B. Green Roof Drainage
Layer Placement：Install the fabric (150-200GSM) over the drainage board, covering the entire rooftop area.
Perforation Adjustment：Use a utility knife to create drainage holes for plant roots, maintaining 45-60% porosity.
Edge Sealing：Seal fabric edges with UV-resistant adhesive to prevent water leakage (ASTM G154 compliant).
C. Retaining Wall Filtration
Vertical Installation：Attach the fabric (200-300GSM) to the retaining wall using galvanized nails, ensuring 10-50μm pore size alignment with weep holes.
Overlap & Fastening：Overlap fabric sections by 20cm and secure with geotextile staples (tested to AASHTO M288 standards).
3. Key Installation Tips
Avoid Overstretching：Maintain 10-15% slack to accommodate soil settlement (EN 10002-1 compliant).
Weather Protection：Store unused fabric in dry conditions and avoid prolonged sunlight exposure before installation.
Customization：Trim fabric to size using a heat-sealed edge method to prevent fraying (GB/T 3820 approved).
4. Maintenance Guidelines
Visual Inspections：Check for tears or clogging annually, especially in high-traffic areas (parking lots, tunnels).
Debris Removal：Use a soft brush or low-pressure water spray to clean surface sediments.
Replacement Schedule：Replace fabric every 10-15 years (ASTM D6706 tested durability) or as per project specifications.
5. Safety & Compliance
Fire Safety：Ensure B1-rated fabric (GB 8624) is used in enclosed spaces (e.g., underground garages).
Chemical Handling：Avoid contact with solvents; wear gloves when installing in industrial environments.
Documentation：Retain installation records and test reports (ISO 14001 certified) for compliance audits.
6.Troubleshooting
Clogging Issues：If water flow decreases, check pore size alignment and clean debris buildup.
Tearing：Reinforce high-stress areas with additional layers of 300GSM fabric.
Note：For large-scale projects (e.g., tunnels, airports), consult our engineering team for site-specific installation plans and free samples (ISO 9001 certified).
FAQ
Q1: What materials is stitchbond fabric made of?
Stitchbond fabric combines 85% high-tenacity polyester and 15% flexible fiber filament, interlocked via advanced stitchbond technology. This hybrid composition delivers 2500N/m tensile strength (ISO 13934 certified) and 95% water permeability, making it ideal for drainage systems.
Q2: How does stitchbond fabric prevent clogs?
Its 10-50μm controlled pore size (SGS tested) blocks particles ≥50μm, reducing clogging by 98% compared to traditional materials. It maintains 15-20L/m²/s water flow under 10kPa pressure, ensuring long-term efficiency in stormwater, green roofs, and retaining walls.
Q3: Can stitchbond fabric withstand extreme weather?
Yes! UV-stabilized polymers and chemical resistance ensure 90% strength retention after 5 years of outdoor exposure (ASTM G154). Its -40℃ to +200℃ temperature range (IEC 60245-2) supports reliability in freezing or high-heat environments.
Q4: What are the installation requirements?
Surface Prep: Clean, level ground free of sharp objects.
Overlap: Secure 10-15cm overlaps with staples/geotextile pins.
Customization: Trim with heat-sealed edges to prevent fraying (GB/T 3820 compliant).
Q5: Does stitchbond fabric meet international standards?
Compliant with ASTM D6706 (geotextile filtration), EN 13249 (building drainage), and OEKO-TEX 100 (eco-friendly materials). Certificates available for green building projects.
Q6: Is stitchbond fabric recyclable?
Yes! 80% of variants use recycled polyester, supporting circular economy goals. Customizable recycled blends are available for sustainability-focused clients.
Q7: What is the typical lifespan?
Lasts 10-15 years in standard applications. For industrial/high-traffic use, 300GSM heavy-duty variants with a 15-year warranty are recommended.
