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- BIS Certification for geogrids used in Flexible Pavements indicates that the product meets the requirements of IS 17371:2020, which confirms that the geogrid is durable, has adequate tensile strength and is a trusted outcome for road construction.
- The ISI Mark provides a declaration on geogrids as a finished product that will perform consistently under heavy traffic and environmental stress.
- Diligence Certification will assist the manufacturer, between testing the geogrid, documentation and BIS license approval under IS 17371:2020.
Introduction
In 2024, a Pune-based manufacturer of road materials was disqualified on a government project because their Geogrids for Flexible Pavements did not have the mandated Bureau of Indian Standards (BIS) Certification under IS 17371:2020.
Although the manufacturer met the quality standards in their internal laboratory testing for their geogrid products, the government tender committee rejected the bid because of the BIS Act, 2016, which requires that infrastructure and highways construction products been ISI-marked. This case is not unique.
Across India, geosynthetic manufacturers are losing valuable tenders and contracts solely because they fail to achieve the required BIS certification for their geogrid products. Obtaining a BIS License under IS 17371:2020 would allow the manufacture, sale, and capitalization of tender projects — establishing the manufacturer’s credibility with authorities, builders, and even international clients.
Diligence Certification will personally manage the entire process from sample testing, documentation, leading factory audit, and BIS license approval ensuring the process is executed, effective, and on time.
What is IS 17371:2020?
IS 17371:2020 is the Indian Standard published by the Bureau of Indian Standards (BIS) that stipulates the specifications, testing/measurements, and performance requirements for Geogrids utilized in Flexible Pavement Construction.
Geogrids are synthetic geosynthetic materials created from polymeric compounds for the purpose of soil reinforcement and to help distribute load in roadway pavements.
The standard ensures that Geogrids have sufficient tensile strength, elongation, junction efficiency, and resistance to degradation from the environment.
Key Technical Requirements under IS 17371:2020
1. Material Composition
Geogrids must be manufactured using high-grade polymeric materials such as polypropylene, polyethylene, or polyester, ensuring durability and chemical resistance.
2. Tensile Strength and Junction Efficiency
The standard specifies the minimum tensile strength for longitudinal and transverse directions.
The junction efficiency ensures the grid intersections are capable of transferring load effectively without rupture.
3. Elongation at Maximum Load
The elongation should remain within the prescribed range to prevent pavement deformation and structural failure during heavy vehicular load.
4. Durability Tests
Geogrids undergo ultraviolet exposure, thermal aging, and chemical resistance tests to confirm performance under Indian climatic conditions.
5. Dimensional Stability
Uniform spacing, rib thickness, and node configuration are mandatory for structural reliability during installation and service life.
6. Marking and Labeling
Each roll of geogrid must bear:
- ISI mark,
- Manufacturer’s identification code,
- Batch number,
- Reference to IS 17371:2020.
Only BIS-licensed manufacturers are permitted to use the ISI mark.
Why BIS Certification for Geogrids for Flexible Pavements is Essential
1. Legal Requirement under BIS Act, 2016
Manufacturers cannot produce or sell Geogrids for Flexible Pavements without obtaining BIS certification under IS 17371:2020.
Any violation can lead to penalties, seizure of stock, and cancellation of operations as per Section 17 of the BIS Act.
2. Structural Safety and Quality Assurance
Certified geogrids undergo mechanical testing for strength, creep behavior, and durability, ensuring long-term pavement stability and load-bearing performance.
3. Tender and Market Eligibility
Government and infrastructure authorities, including NHAI, CPWD, and PWD, accept only ISI-marked geogrids for flexible pavement construction projects.
4. Consumer Confidence and Brand Credibility
The ISI mark enhances brand reliability among engineers, contractors, and procurement agencies, helping manufacturers expand their market presence.
5. Export Recognition
International clients and government projects prefer BIS-certified geogrids as proof of compliance with Indian quality benchmarks.
Understanding the ISI Mark for Geogrids for Flexible Pavements
The ISI Mark is a symbol of conformity and safety that assures users the product meets Indian Standard IS 17371:2020 in every batch.
It confirms:
- Dimensional uniformity and material quality
- Adequate tensile strength and junction integrity
- Resistance to heat, moisture, and chemical exposure
- Product traceability through batch coding
Every ISI-marked roll can be traced to its licensed manufacturer, ensuring accountability and authenticity.
Benefits of BIS Certification
| Benefit | Description |
| Legal Compliance | Mandatory as per BIS Act, 2016 for manufacturing and sale in India |
| Market Expansion | Enables participation in public and private infrastructure tenders |
| Quality Assurance | Confirms consistent tensile and chemical properties |
| Customer Trust | Builds reliability among contractors and engineers |
| Export Readiness | Enhances international acceptance and credibility |
| Brand Recognition | Demonstrates technical competence and standardization |
Eligibility Criteria for BIS Certification
To apply for BIS Certification under IS 17371:2020, a manufacturer must:
- Operate a registered business entity (Company/LLP/Proprietorship)
- Maintain a functional manufacturing unit with quality testing setup
- Possess in-house equipment for tensile, creep, and chemical resistance testing
- Employ qualified technical staff
- Allow BIS officials to inspect facilities and verify production control
Step-by-Step Process for BIS Certification for Geogrids
- Identify the Product Standard:
Confirm that your product falls under IS 17371:2020 – Geogrids for Flexible Pavements. - Apply Online on the BIS Portal:
Submit manufacturer and product details along with quality control records. - Sample Testing at BIS-Recognized Lab:
Samples are tested for tensile strength, junction efficiency, elongation, and durability. - Factory Inspection by BIS Officers:
BIS auditors visit the factory to verify production capability, material quality, and testing arrangements. - Evaluation and Grant of License:
Once all results meet the required standards, BIS grants the Certification Mark License (CM/L). - License Validity:
- Initial validity: 2 years
- Renewal: Up to 5 years, based on continued compliance.
Documents Required for BIS Certification
| Category | Documents Required |
| Company Information | GST, Udyam/MSME registration, Incorporation certificate |
| Factory Details | Plant layout, process flowchart, machinery list |
| Testing Records | BIS-approved lab test reports for IS 17371:2020 |
| Quality Control | Internal testing reports, calibration certificates |
| Technical Data | Material composition, tensile test results |
Validity and Renewal of BIS License
- Initial Validity: 2 years
- Renewal Period: Up to 5 years
- Renewal Application: To be filed 3 months before expiry
- Requirements: Updated test results and production records
Failure to renew can result in license suspension or withdrawal by BIS.
Common Challenges Manufacturers Face
- Missing calibration or test certificates during audit
- Sample failure due to low junction efficiency
- Incomplete documentation on raw material sourcing
- Delay in testing report submission
- Lack of professional guidance resulting in application rejection
Cost of BIS Certification
The overall cost of certification depends on the factory location, production scale, and testing parameters.
Typical components include:
- Application fee (BIS Portal)
- Testing charges (BIS-recognized laboratory)
- Inspection and license fees
- Renewal fee after 2 years
Diligence Certification provides transparent cost breakdown and expert guidance before filing the application.
Why Choose Diligence Certification
Diligence Certification is a trusted BIS consultant in India, assisting manufacturers of Geogrids for Flexible Pavements in obtaining certification under IS 17371:2020.
Our Expertise
- End-to-end support from product testing to license approval
- Decade-long experience in BIS certifications for geosynthetics and civil materials
- Fast documentation handling and coordination with BIS officers
- Nationwide service coverage and audit assistance
- Assistance with license renewals and post-approval compliance
Conclusion
Gaining BIS Certification for Geogrids for Flexible Pavements (IS 17371:2020) is more than a regulatory requirement — it is an indicator of reliability, safety, and trust.
The ISI mark indicates your geogrids conform to India’s best standards for a road and pavement construction system, enhancing your ability to compete for government tenders and other infrastructure contracts.
With the professional services of Diligence Certification, the manufacturer will successfully navigate all the steps involved in certifying geogrids for use by sample testing and obtaining audit clearance, so the product can be sold certified, competitive, and ready for the market.
Frequently Asked Questions
What is the Bis Certificate for Geogrids?
It certifies that geogrids are as per IS 17371:2020 quality and safety requirements.
Is it obligatory to possess BIS Certification for Geogrids?
Yes. BIS Certification is mandatory under the BIS Act, 2016 to manufacturer and sell.
Which standard governs the Geogrids?
Standard IS 17371:2020 governs Geogrids as a part of flexible pavements.
Who issues BIS certification?
The Bureau of Indian Standards (BIS) issues BIS Certification in India.
What is the need for BIS Certification?
It guarantees strength and durability of use as well as acceptance for government tenders.
What tests does Geogrids require?
Tensile strength test, junction efficiency test, elongation test, and durability testing.
How long will BIS Certification last?
BIS Certification is valid for two years, unless it is received approval for additional 3 years.
What documentation is required?
Documentation should include company, factory apply for BIS certification and laboratory testing.
What is the cost for BIS Certification?
Cost may vary based on factory, testing, and licensing.
Who assists in acquiring BIS Certification?
Diligence Certification will provide complete support from testing to approval process.
