industrial Rock Wool Insulation Board 120-200kg/m³ for External Wall Insulation

Industrial Rock Wool Boards With Key Advantages For External Wall Insulation

Industrial rock wool has become a mainstream choice for building external wall insulation, thanks to its excellent thermal performance, fire safety, and durability. As a key material for energy-saving buildings, it addresses the core needs of external wall insulation—balancing heat preservation, fire prevention, and adaptability to complex construction environments.​

Reliable Thermal Insulation for Energy Efficiency​

Industrial rock wool’s fibrous structure, with numerous closed air pockets, delivers low thermal conductivity, effectively blocking heat transfer between indoor and outdoor spaces. For external walls, a 50–100mm thick rock wool layer can reduce building energy consumption by 30%–50% compared to uninsulated walls. It maintains stable thermal performance year-round, keeping interiors warm in winter and cool in summer, and lowering heating/cooling costs.​

Class-A Fire Resistance for Building Safety​

A critical advantage over organic insulations, industrial rock wool is classified as Class A non-combustible. It does not burn, melt, or release toxic fumes when exposed to fire, acting as a "fire barrier" to slow flame spread. This meets strict fire safety standards for high-rise buildings, public facilities, and residential complexes, reducing fire risks and protecting lives and property.​

Durability and Weather Resistance​

External walls face rain, UV radiation, temperature changes, and humidity. Industrial rock wool’s inorganic composition resists aging, mold, and corrosion—no degradation from moisture or harsh weather. Bonded with weather-resistant adhesives and covered with rendering or cladding, it maintains performance for over 20 years, minimizing maintenance and replacement costs.​

Sound Insulation Enhancement​

The porous fibrous structure also absorbs airborne noise. Used in external walls, it can reduce outdoor noise by 15–25dB, improving indoor acoustic comfort—ideal for buildings near busy roads or industrial areas.​

In conclusion, industrial rock wool excels in building external wall insulation by integrating energy efficiency, fire safety, durability, and sound insulation. Its compliance with building codes and adaptability to various construction scenarios make it a trusted choice for both new buildings and renovation projects, contributing to greener, safer, and more comfortable built environments.

    Pengzhou Shiyida Building Materials Co., Ltd. was established in 2011 and is located in Chengdu, a tourist city in China. It is one of the domestic manufacturers engaged in new-type refractory, thermal insulation and sound insulation materials. The factory is located in Pengzhou, with more than 100 employees and a factory area of 30,000 square meters. It is a thermal insulation material production enterprise mainly engaged in new-type refractory, thermal insulation and sound insulation materials, and is mainly engaged in the production and sales of rock wool boards and external wall rock wool board.
    The company takes customers as the center, takes high and new technology as the guide, keeps pace with international technology, strictly controls product quality, so that all kinds of our products are sold well in 29 provinces, municipalities and autonomous regions in China, and are widely used in heating, construction, petroleum, electric power, chemical industry, refrigeration, ships, aerospace, smelting, central air conditioning and other industries. The product quality is in a leading position in the industry, and has been recognized by relevant departments and highly praised by customers, with a high reputation.
    Adhering to the business philosophy of "integrity-based, service-oriented", the company's various businesses and management levels continue to develop, and the market area radiates from "centering on Chengdu to the whole Sichuan". To provide users with simple and fast purchasing methods, the company expects to become a priority in the thermal insulation material industry in Sichuan, continuously improve marketing service capabilities, establish good cooperative relations with customers, make progress together and create brilliance together!