BIS Certification for Concrete Paving Blocks IS 15658:2021

This Indian Standard specifies the requirements, classification, performance criteria, and testing methods for precast concrete paving blocks used in pavements, walkways, industrial surfaces, and similar applications. BIS certification under this standard ensures that manufacturers produce blocks that are uniform in quality, durable under diverse climatic conditions, and safe for public use.

Understanding IS 15658:2021

IS 15658:2021 covers precast concrete paving blocks for use in all kinds of paving surfaces. These blocks may differ in shape, size, and strength, and are designed for light, medium, or heavy-duty applications. The standard ensures that every paving block conforms to the essential characteristics related to its dimensions, performance under load, resistance to wear and tear, and overall durability.

The standard categorizes paving blocks into different grades based on compressive strength, which is a critical factor in determining their suitability for varying loads such as pedestrian traffic, light vehicles, or heavy commercial use.

Why BIS Certification is Crucial

BIS certification for concrete paving blocks acts as a seal of assurance regarding the product's quality and safety. It confirms that the manufacturer follows standardized production processes and quality control systems. This becomes especially important in public infrastructure projects, where failure of paving materials can lead to significant repair costs, safety issues, and premature deterioration.

With certified products, buyers—whether government bodies, contractors, or private clients—can be confident that the paving blocks meet the required performance and safety criteria. Furthermore, certified products are often preferred in tenders and public procurement.

Key Tests Conducted for BIS Certification

To qualify for BIS certification under IS 15658:2021, concrete paving blocks undergo several critical tests to assess their quality and performance. These include:

● Dimensional Accuracy and Thickness of Wearing Layer

● Water Absorption

● Compressive Strength

● Abrasion Resistance

● Tensile Splitting Strength

● Flexural Strength / Breaking Load

● Freeze–Thaw Durability

These tests are conducted in BIS-approved laboratories or at certified manufacturing facilities under strict supervision. Only after successfully passing all these parameters is the product considered eligible for the ISI mark.

BIS Certification Process Overview

Though BIS certification is a technical process, the core steps remain structured and straightforward:

1. Application Submission: The manufacturer applies to BIS with product details and relevant documentation.
   
   
2. Factory Audit: BIS officials inspect the manufacturing unit to assess quality control systems and production capabilities.
   
   
3. Sample Testing: Product samples are drawn and sent for testing to evaluate compliance with IS 15658:2021.
   
   
4. Grant of License: Upon satisfactory audit and test results, BIS issues the ISI mark license for the product.
   
   
5. Ongoing Surveillance: Periodic inspections and testing ensure continued compliance with BIS standards.

To Know The Process in Detail, Please Visit:

• BIS ISI Mark Certification for Domestic Manufactures
• BIS ISI Mark Certification for Foreign Manufactures

Under BIS Registration Products ISI and CRS

• BIS CRS Registration For IT Products List
• BIS ISI Mark Certification For ISI Products List

Documents Required for BIS Certification

To apply for BIS certification, manufacturers need to submit the following documents:

●  Application form

●  Manufacturing process details

●  Quality control plan

●  Test reports from BIS-approved laboratories

●  Factory layout and equipment details

●  Proof of business registration

●  Product specifications and technical details

●  Declaration of conformity to Indian standards

Additionally, manufacturers may be required to provide proof of compliance with environmental and safety regulations, depending on the specific type of product being certified.

BIS ISI Mark Certification Costing And Timeline

How EVTL India Can Assist

Securing BIS certification can be a complex and time-consuming process, particularly for manufacturers unfamiliar with regulatory requirements. This is where EVTL India comes in. As a trusted regulatory consultant, EVTL India offers complete assistance to manufacturers in obtaining BIS certification for concrete paving blocks. From documentation and application support to coordinating product testing and audit preparation, EVTL India ensures a smooth and hassle-free certification journey.

Whether you're launching a new product line or ensuring compliance for existing products, EVTL India helps you meet Indian standards with confidence and efficiency.

Conclusion

Concrete paving blocks are more than just aesthetic surface materials—they are load-bearing components of infrastructure that must perform reliably over time. Certification under IS 15658:2021 ensures that these blocks can withstand environmental, structural, and usage-related challenges. BIS certification not only enhances product credibility but also opens up opportunities in public and private sector projects where certified products are a mandate.