wrapped with a stretched polyethylene film directly on the outside
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industrial rock wool insulation board
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external wall insulation rock wool board
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high density rock wool insulation board
Product Description
Industrial Rock Wool Boards 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.
Maintains stable thermal performance year-round
Keeps interiors warm in winter and cool in summer
Significantly lowers heating and 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 meets strict fire safety standards for high-rise buildings, public facilities, and residential complexes.
Does not burn, melt, or release toxic fumes when exposed to fire
Acts as a "fire barrier" to slow flame spread
Reduces fire risks and protects lives and property
Durability and Weather Resistance
Industrial rock wool's inorganic composition resists aging, mold, and corrosion—no degradation from moisture or harsh weather. When properly installed with weather-resistant adhesives and protective finishes:
Maintains performance for over 20 years
Minimizes maintenance and replacement costs
Withstands rain, UV radiation, and temperature changes
Sound Insulation Enhancement
The porous fibrous structure also absorbs airborne noise, making it ideal for buildings near busy roads or industrial areas.
Reduces outdoor noise by 15-25dB
Improves indoor acoustic comfort
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.
