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BIS ISI Certification for Paver Blocks (Interlocking Tiles) IS 15658

Understanding BIS Standards, Quality Requirements and Certification Process for Paving Blocks

Learn why BIS certification is important for paving blocks in India, which standards apply, what quality requirements manufacturers need to meet, and how to complete the BIS certification process for compliant products.

Introduction

Quite a common option for constructing roads, driveways, walkways, and much more, concrete paving blocks are being hugely demanded these days. Very durable as well as absolutely easy to install, the paver blocks are easy to maintain and are an eco-friendly option to consider. However, as the demand for these products increases substantially, the need for businesses to abide by the mandatory market regulations, such as gaining a BIS ISI certification for paver blocks, is also important. 

Let us understand in detail why the BIS ISI license for paving blocks is a necessary compliance that must be followed by manufacturers and importers of these products. 

What is BIS ISI Certification? 

The BIS ISI certification is a mandatory compliance requirement for notified products in the Indian market, to make them eligible for sales and imports. The Bureau of Indian Standards, or BIS as it is commonly known, grants the ISI mark certification to products, but only after thoroughly testing and verifying the same. When the products conform to the market standards and benchmarks of safety and quality, they are granted the BIS ISI mark logo, which proves the products’ authenticity and reliability in the market. 

The BIS certification helps consumers make informed choices and also makes sure that only safe and qualitative products are being imported, manufactured, and sold in the Indian market.

Why is an ISI Mark Certificate Required for Concrete Interlocking Paving Blocks?

Concrete paving blocks are being rigorously used these days in a variety of applications, and ensuring that they are safe and reliable to be used for the long term is an integral aspect for businesses dealing with the same. As per the BIS regulations and the IS 15658:2021, businesses have to get a BIS ISI certification for interlocking tiles, or paver blocks as they are commonly named. 

Have a look at why BIS ISI certification is an essential requirement for products like paving blocks: 

  • The BIS tests the products on several safety and quality parameters and ensures that these products are made with qualitative materials by keeping in mind the long-term safety and reliability of the same.
  • As per IS 15658:2021, the BIS provides performance benchmarks for paving blocks to ensure that they have compressive strength and can withstand intended loads and external factors such as varied environmental conditions.
  • When consumer confidence is instilled in the market, brand image and reputation automatically get enhanced.
  • Newer opportunities are made accessible to businesses that stay compliant with the BIS regulations.
  • There is uniformity established in the market, as only standard products are allowed for trade and production in the market.
  • Consumers can be prevented from purchasing counterfeit products, and can, in fact, trust their purchases as cost-effective and long-term investments. 

Technical Parameters of Concrete Paving Blocks

Have a look at the technical specifications of Concrete Paver Blocks as prescribed by the Bureau of Indian Standards (BIS) as per IS 15658:2021:

  • The concrete paver blocks as per IS 15658:2021 are available in different grades:
    • M-30 (group 1),
    • M-35 (group 1),
    • M-40 (group 1),
    • M-50 (group 2) and
    • M-55 (group 2)
  • Single layer / Double layer are also two-layer categories of the concrete paver blocks.
  • The raw materials used for paver blocks may incorporate all or some of the mentioned articles: cement, mineral admixtures, chemical admixtures, water, pigments, coarse and fine aggregates.
  • Testing parameters prescribed for concrete paver blocks:
    • Compressive strength
    • Dimensions and tolerances
    • Water absorption
    • Abrasion resistance
    • Thickness of wearing layer
    • Tensile Splitting Strength

How to Get BIS License for Interlocking Tiles IS 15658: 2021?

There are several steps following which businesses can easily obtain a BIS ISI Certificate for interlocking bricks or paving blocks in the Indian market: 

  • First of all, you will have to register on the official BIS ManakOnline portal and submit an application on the same.
  • Provide all the details and information as asked for, and submit the required fees through prescribed channels.
  • Fill in all the required documents for a BIS license, such as details of products, factory charts and organizational maps, manufacturing processes, basic identity details, etc.
  • Submit the test reports of products along with the application and documents.
  • The BIS authorities will then carry forward the inspection of factories and will also test the product samples in BIS-accredited laboratories.
  • On successful verification, businesses will get their BIS License for concrete paving blocks along with the ISI mark and CML logo. 

It is, however, important to note that for gaining an ISI Mark Certificate for concrete paving blocks, the process slightly differs for Indian manufacturers than what is mandated for foreign manufacturers. The latter will get the ISI mark through the BIS FMCS Certification process. 

Documents Required for BIS Certification for Interlocking Tiles

Here is a list of documents you need to prepare for getting a BIS certificate for interlocking tiles:

  • Legal address proofs of the factories
  • Product specification
  • Details of raw material, machinery, and testing equipments
  • Details of QC Staff and other basic details of the factory
  • Lab test reports of the product
  • Main Application Form V
  • ISI Application Fee
  • Appointment of AIR (Authorized Indian Representative) in case you are a foreign manufacturer

Note: You can appoint Brand Liaison as your AIR.

What is the cost of a BIS ISI Certificate for Paving Blocks?

The cost of a BIS ISI certificate for paving blocks varies according to several factors, including lab testing charges, technical documentation, and additional compliance requirements. However, here is a simplified breakdown of the BIS certification:

ComponentDomestic ManufacturersForeign Manufacturers
Application Fee₹1,000₹1,000 (Equivalent USD)
Sample TestingAs per the product & IS standardAs per the product & IS standard
Audit Fee₹7,000 per man-day₹7,000 per man-day
Minimum Marking FeeDepends on product & ISDepends on product & IS
License Fee₹1,000₹1,000 (Equivalent USD)
Visiting FeeNot applicableAs actual (airfare, visa, stay, etc.)
Additional ChargesMay varyMay vary
Consultancy FeeVariesVaries

Why Choose Brand Liaison for BIS Certification for Paving Blocks?

Obtaining BIS certification for concrete paving blocks involves more than submitting an application. Manufacturers need to understand the applicable requirements of IS 15658:2021, prepare the right technical documentation, complete the required testing, and make sure that their manufacturing and quality-control systems are ready for BIS assessment. Brand Liaison, the best BIS ISI certification consultant in Delhi, India, provides end-to-end support to manufacturers and businesses seeking BIS ISI certification for paving blocks, helping simplify the technical and regulatory process.

Here is why businesses prefer to work with Brand Liaison:

Product-Specific BIS Guidance

We help manufacturers understand the requirements that are applicable to their paving blocks, including the relevant grade, product category, raw materials, testing parameters, and documentation under IS 15658:2021.

Complete Documentation Support

From factory details as well as manufacturing process information to quality-control documents, raw-material details, test reports, and application documentation, our team helps organize the required information in a structured manner to avoid application delays.

Testing and Technical Assistance

Paving blocks need to demonstrate conformance with prescribed performance requirements. We assist businesses in understanding applicable testing requirements and coordinating the testing process so that potential gaps can be identified at early stages.

A Practical Approach for Manufacturers

Our focus is to make BIS certification easier to understand and manage by combining regulatory guidance, documentation assistance, product eligibility check, testing coordination, and factory-readiness support rather than treating certification as a paperwork-only process.

Factory Inspection Preparation

BIS assessment can involve evaluation of manufacturing facilities, production processes, as well as the quality-control arrangements. We help manufacturers prepare their factory, documentation, and testing setup before the inspection begins by BIS officials.

Support During BIS Assessment

Our team assists businesses throughout the application and assessment stages, including coordination, clarification of technical requirements and support in responding to queries raised during the process.

Post-Certification Compliance Support

BIS certification is an ongoing compliance responsibility. We continue to support businesses with applicable testing, documentation, quality control, as well as post-certification requirements to help maintain continued compliance.

Experience Across Indian Product Certifications

Brand Liaison has been supporting businesses with Indian product certifications and regulatory approvals for more than a decade, including BIS ISI, BIS CRS, FMCS, BEE, WPC, TEC, EPR and LMPC requirements. Our wider compliance experience helps businesses assess certification requirements from an overall Indian-market perspective.

For manufacturers planning to produce or supply concrete paving blocks in India, Brand Liaison can help assess the applicable BIS requirements and guide the certification process from initial assessment through post-certification compliance.

Conclusion

Understanding and adhering to the BIS ISI market regulations is a crucial part of staying compliant with the Indian market regulations. Businesses must conform to the BIS standards and guidelines and stay ahead in the competitive economy. Getting in touch with the best BIS ISI mark consultant in India, like Brand Liaison can be a great help. Our team of industry professionals will seamlessly guide you through the entire process and help you meet the required market compliances with ease and efficiency. 

Contact our team of experts today and initiate a hassle-free journey of compliance for the Indian market.

Need help with certification or compliance?

Chinoyaka Jain is a seasoned content writer, creator, and strategist who knows how to turn complex compliance topics into content people actually want to read. With experience in B2B communication and the Indian regulatory landscape, she blends research, creativity, and strategy to give technical subjects a sharper voice. Her work is built around one idea: compliance content should not just explain regulations - it should help businesses and B2B decision-makers understand what they mean for their next move.

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FAQ's

What is BIS certification for Interlocking Tiles?

Which IS standard applies to interlocking tiles?

How long does it take to get BIS certification for interlocking tiles?

Can different grades of paving blocks be covered under the same BIS licence?

Does the thickness of a paving block affect BIS compliance?

What happens when interlocking tiles fail BIS testing?

Is factory testing required for BIS-certified paving block manufacturers?

Can a manufacturer change the raw materials after obtaining a BIS licence?

Are coloured or pigmented paving blocks also covered under BIS requirements?

What should a manufacturer do if its paving blocks are intended for a new application?

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