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Insulation World Kenya Limited is the leading direct importer and distributor of high-quality DURATUF INSULATING MATTING ASTM D178 Class 2, Type I in Nairobi Kenya. Our rolls come in the below specifications: 

Standard Size  –  1Mtr. Wide x 10.0 Mtr. Long.

Standard Color – Black without Metallic Derivatives.

Surface Design: TOP FINE RIBBED & BOTTOM TEXTURED ASTM D178 Class 2, Type I

Get in touch with us to place an order through +254 722 401 1754 or email us via


In industries where electrical hazards are a constant concern, ensuring the safety of personnel and equipment is paramount. Insulating mats play a crucial role in this regard, providing a protective barrier against electric shocks and related risks. Among the standards governing these mats, ASTM D178 stands out as a benchmark for quality and reliability. In this article, we delve into the specifics of ASTM D178 Class 2, Type I insulating mats, highlighting their characteristics, applications, and importance in promoting electrical safety.

Understanding ASTM D178 Standards

ASTM D178 sets the criteria for rubber insulating mats used in electrical applications. This standard encompasses various classes and types of mats, each designed to meet specific performance requirements and safety standards. Compliance with ASTM D178 ensures that insulating mats are suitable for their intended use, providing a reliable defense against electrical hazards in the workplace.

Class 2 and Type I Classification

Within the ASTM D178 standard, insulating mats are classified based on their maximum use voltage and specific properties. Class 2 mats have a maximum use voltage of 17,000 volts AC or 25,500 volts DC, making them suitable for environments with moderate to high electrical hazards. Type I classification further categorizes mats based on their thickness and intended applications, with Type I mats typically used for general-purpose insulation where mechanical protection is also required.

Characteristics of ASTM D178 Class 2, Type I Insulating Mats

  1. High Dielectric Strength: Class 2, Type I mats exhibit a high dielectric strength, allowing them to withstand significant voltage levels without conducting electricity. This property is critical for preventing electric shocks and ensuring the safety of personnel working near live electrical equipment.
  2. Insulating Properties: These mats provide effective insulation against electrical currents, minimizing the risk of electric shock hazards in industrial environments where electrical equipment is present.
  3. Mechanical Protection: Type I mats offer mechanical protection in addition to electrical insulation, making them suitable for areas where heavy machinery or equipment may be in use.
  4. Durable Construction: ASTM D178 Class 2, Type I mats are constructed from durable rubber compounds that resist abrasion, tearing, and punctures, ensuring long-term performance in demanding conditions.
  5. Chemical and Weather Resistance: The materials used in these mats are resistant to chemicals, oils, and weather exposure, making them suitable for indoor and outdoor applications across various industries.

Applications of ASTM D178 Class 2, Type I Insulating Mats

  1. Power Generation Facilities: Class 2, Type I mats are commonly used in power plants, substations, and electrical distribution centers to protect personnel working near high-voltage equipment.
  2. Industrial Manufacturing: Manufacturing facilities that utilize heavy machinery and electrical equipment benefit from the use of these mats to create safe work areas for operators and maintenance personnel.
  3. Utilities and Infrastructure: Utility companies and infrastructure maintenance teams use Class 2, Type I mats during electrical maintenance and repair activities to mitigate the risk of electric shocks.
  4. Data Centers and Telecommunication Facilities: Critical infrastructure facilities like data centers and telecommunication hubs employ these mats to safeguard personnel and equipment from electrical hazards.
  5. Construction and Engineering: Construction sites and engineering projects where electrical work is conducted require Class 2, Type I mats to ensure the safety of workers and prevent accidents.

Significance of ASTM D178 Class 2, Type I Mats in Electrical Safety

The use of ASTM D178 Class 2, Type I insulating mats is instrumental in promoting electrical safety in diverse industries. Here are key reasons highlighting their significance:

  1. Comprehensive Protection: Class 2, Type I mats offer both electrical insulation and mechanical protection, providing comprehensive safety for workers and equipment.
  2. Compliance with Standards: Adhering to ASTM D178 standards ensures that mats meet stringent performance criteria, guaranteeing their effectiveness in preventing electrical accidents.
  3. Versatility: These mats are versatile and suitable for a wide range of applications, making them a practical choice for various industrial settings.
  4. Durable Performance: The durable construction of Class 2, Type I mats ensures long-lasting performance, reducing maintenance costs and downtime.
  5. Risk Mitigation: By reducing the risk of electric shocks and related injuries, these mats contribute significantly to mitigating workplace hazards and promoting a safer work environment.


ASTM D178 Class 2, Type I insulating mats are essential components in maintaining electrical safety standards across industries. Their high dielectric strength, insulating properties, mechanical protection, and durability make them indispensable for safeguarding personnel and equipment from electrical hazards. Investing in quality Class 2, Type I mats is a proactive step towards enhancing workplace safety, reducing accidents, and ensuring compliance with industry regulations. By prioritizing electrical safety through the use of ASTM D178-compliant insulating mats, organizations demonstrate their commitment to protecting their workforce and promoting a culture of safety excellence.

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