Rockwool Sandwich Panel Manufacturer

Rockwool Sandwich Roof Panel & Rockwool Sandwich Wall Panel

rockwool cladding panels

Rockwool Sandwich Panel

Rockwool sandwich panels are high-performance composite insulation panels made with a non-combustible mineral wool core (rockwool) bonded between two durable metal facings (steel or aluminum). These panels are widely used in commercial, industrial, and residential construction due to their exceptional fire resistance, thermal efficiency, and soundproofing capabilities.

✔ A1 Fire Rating (EN 13501-1) – Non-combustible, making them ideal for fire-prone areas.
✔ Excellent Thermal Insulation – Low thermal conductivity (λ ≈ 0.035-0.040 W/mK).
✔ Superior Acoustic Performance – Sound insulation up to Rw 45dB+ (ideal for studios, hospitals, and offices).
✔ Durable & Weather-Resistant – Resists moisture, mold, and corrosion.
✔ Lightweight & Easy to Install – Faster construction compared to traditional materials.

Description

Rockwool sandwich panels (also known as mineral wool sandwich panels or mineral wool composite panels) represent the gold standard in modern building materials for industrial, commercial, and high-performance facilities. These composite panels feature a core composed of non-combustible rockwool, a durable fiber spun from molten basalt, sandwiched between two rigid metal facers. Rockwool sandwich solutions are the preferred choice of architects and builders who prioritize safety, efficiency, and performance in their walls and roofs.

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Tell us your special requirements for sandwich panels

If our standard styles don’t quite meet your needs, we also offer custom made services.

Why choose rockwool sandwich panel

The versatility of sandwich panel mineral wool products makes them suitable for all aspects of the building envelope:

  • For Walls: Rockwool sandwich panels are the ideal choice for external walls and internal fire partitions. They provide superior fire integrity, weather resistance, and acoustic insulation, creating a safer and more comfortable building perimeter.

  • For Roofs: As rockwool roof panels, they offer a robust, fire-safe roofing solution. They are particularly specified where protection from external fire sources (e.g., sparks) is needed and where reducing noise from rain or hail is a benefit.

Unparalleled Fire Performance

The primary advantage of panel sandwich rockwool is its exceptional fire resistance. The mineral wool core is inherently non-combustible, achieving the highest fire safety classifications (Class A/A1). This provides critical protection by preventing flame spread and containing fires, safeguarding both lives and assets. This level of safety is simply unattainable with combustible alternatives like PU/PIR or other foam cores, making rockwool sandwich panels mandatory for fire-sensitive applications.

  • Fire Safety: Rockwool (A1/A2 – Non-combustible) >> PU/PIR (Typically Class B/C – Combustible) >> EPS/XPS Foam (Class E/F – Highly Combustible)

  • Thermal Insulation: PU/PIR (Best) > Rockwool (Excellent) > Foam (Good, but flammable)

  • Acoustic Performance: Rockwool (Superior) >> PU/PIR & Foam (Poor)

Superior Thermal and Acoustic Insulation

Beyond fire safety, rockwool composite panels deliver outstanding thermal and acoustic performance:

  • Thermal Efficiency: They create an effective thermal barrier, significantly reducing heat transfer to lower energy costs for heating and cooling. While PU/PIR panels offer slightly higher insulation value per thickness, rockwool maintains its insulating properties stable even under extreme heat.

  • Acoustic Control: The dense, fibrous core excels at absorbing sound waves. This makes rockwool roof panels and wall systems ideal for reducing noise pollution from equipment, weather, and operational activities, creating a quieter interior environment.

ZHUOZHU Products

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General Faq

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How to ensure quality?

Before mass production of sandwich panels, we will produce samples in advance; When each batch of goods is on the assembly line, it will be inspected and classified one by one, and only after it is qualified will it be packaged and offline; Fully automatic production line, no manual production, all ingredients and temperature control are controlled by computer programs, and workers operate according to the automatic control system;

Delivery time?

Usually the delivery time for one container is 15-25 days. If the order is continuous and stable, the delivery time will be faster. Large orders or other special circumstances need to be confirmed with the production department.

What is the payment method?

T/T is generally used, 40% of the payment must be paid in advance, and the balance must be paid before shipment.

What are the benefits of buying products from ZHUOZHU?

ZHUOZHU is a construction project supplier certified by the Chinese government and one of the few suppliers involved in China's official infrastructure projects. Its product quality is stable and recognized; ZHUOZHU has global large-scale project experience, and engineers cooperate to conduct feasibility analysis in extreme environments to ensure the use of products in extreme environments; It has an experimental team focusing on polymer material research, and is always committed to developing the latest products, and upgrading the performance of each generation of products to reduce product costs. The third-generation co-extrusion material sandwich panel is on the market, with better performance, lighter weight and lower price; The original composite sandwich panel industry chain base has a very complex and large supply chain system, which supports product innovation and globally competitive prices, helping customers break through the market;

What is the service life of sandwich panels?

The normal service life is 25-35 years.

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