EPACK Prefab’s Rockwool Sandwich Panels are engineered for environments where fire safety, acoustic comfort, and thermal efficiency are critical. With a core of stone wool (rockwool) sandwiched between durable metal sheets, these panels offer superior resistance to fire, outstanding sound absorption, and stable thermal performance — ideal for industrial, commercial, and specialized applications.
Key Features & Technical Specifications
- Core Material: Non-combustible stone wool (rockwool) → high fire rating
- Thermal Performance: K-values around 0.024-0.080 W/m·K depending on thickness & density
- Thickness Options: Typically 50 mm to 150 mm (customizable)
- Widths / Profiles: Standard widths (e.g. 1000-1150 mm), metal facings (PPGI / PPGL / Galvalume etc.), Standard Rib / Micro-Rib or smooth finishes
- Compressive / Flexural Strength: Designed to meet structural requirements; surface compression zones for durability
- Acoustic Performance: Excellent sound absorption & noise dampening (specific decibel reduction values as per lab tests)
- Fire Safety: Non-combustible core that remains stable under heat; helps in fire-rated walls/roof applications
- Moisture / Weather Resistance: Proper facing and seals to resist water ingress; stable under temperature/humidity swings
Rockwool Panel Types
Wall Panel (Single Groove)
Wall Panel (Double Groove)
Hidden Screw Wall Panel
Camlock Wall Panels
Roof Panel
Built for Safety. Engineered for Performance.
Applications of Rockwool Sandwich Panels
Rockwool Sandwich Panels are engineered for environments where fire safety, thermal insulation, acoustic performance, and long-term durability are critical. Their non-combustible mineral wool core makes them an ideal choice for industrial, commercial, and infrastructure projects requiring enhanced protection against fire, heat, and noise. EPACK Prefab's Rockwool Panels are widely used across diverse industries to create safer, more energy-efficient, and high-performance buildings.
Industrial Manufacturing Facilities
Manufacturing facilities often involve high-temperature equipment, heavy machinery, and continuous operations that demand reliable fire protection and thermal insulation. EPACK Prefab's Rockwool Panels help improve workplace safety while reducing heat transfer and external noise, making them ideal for factories, production plants, fabrication units, and industrial workshops.
Warehouses & Logistics Centers
Warehouses storing valuable goods require durable building envelopes that maintain internal temperatures and provide enhanced fire resistance. Rockwool Panels offer excellent insulation while minimizing the risk of fire spread, making them suitable for logistics hubs, distribution centers, and storage facilities.
Pharmaceutical & Healthcare Facilities
Pharmaceutical manufacturing requires controlled environments with stringent safety standards. Rockwool Panels provide excellent thermal insulation, sound absorption, and fire resistance, making them ideal for pharmaceutical plants, laboratories, clean manufacturing areas, and healthcare infrastructure.
Food Processing & FMCG Industries
Food processing facilities require insulated structures that support temperature control and safe operations. Rockwool Panels help improve energy efficiency while offering superior fire protection, making them suitable for food production plants, beverage facilities, packaging units, and FMCG manufacturing.
Power Plants & Electrical Substations
Electrical installations require construction materials capable of withstanding high temperatures and minimizing fire hazards. Rockwool Panels are widely used in electrical substations, control rooms, switchgear buildings, and power generation facilities because of their non-combustible properties and thermal performance.
Petrochemical & Chemical Industries
Chemical and petrochemical facilities operate in environments where fire safety is a critical design requirement. Rockwool Panels provide excellent resistance to fire and high temperatures, making them suitable for processing units, utility buildings, equipment shelters, and hazardous industrial environments.
Commercial & Institutional Buildings
Commercial buildings benefit from Rockwool Panels due to their ability to improve indoor comfort through thermal insulation and sound reduction. They are widely used in office buildings, educational institutions, exhibition halls, airports, convention centers, and public infrastructure projects.
Cold Storage & Temperature-Controlled Facilities
Rockwool Sandwich Panels are widely used in cold storage service areas and temperature-controlled facilities where fire safety and thermal efficiency are equally important. While cold rooms typically require PUF insulation for refrigeration, Rockwool Panels are an excellent choice for packing halls, dispatch areas, utility rooms, ante rooms, machine rooms, loading bays, and other non-refrigerated sections of cold storage projects. Their non-combustible mineral wool core provides superior fire resistance, sound insulation, and long-term durability, helping operators create safer, energy-efficient facilities that comply with modern industrial safety standards.
Railway & Airport Infrastructure
Modern railway stations, metro projects, airports, and transport terminals require building materials that deliver exceptional fire protection, structural reliability, and long service life. EPACK Prefab's Rockwool Sandwich Panels are ideal for terminal buildings, technical rooms, electrical substations, maintenance facilities, operation control centers, and passenger service areas where fire safety is a critical requirement. In addition to their non-combustible properties, these panels provide excellent thermal and acoustic insulation, improving passenger comfort while ensuring compliance with stringent infrastructure and public safety standards.
Data Centers & Mission-Critical Infrastructure
Data centers require highly reliable infrastructure with superior fire protection and temperature control. Rockwool Panels help safeguard mission-critical equipment while supporting energy-efficient building performance, making them suitable for server rooms, IT infrastructure, telecom buildings, and technology parks.
Comparison: Rockwool vs Other Panel Cores
| Property | Rockwool Panels | PUF / PIR Panels | EPS Panels |
|---|---|---|---|
| Fire Resistance | Very high, non-combustible ⭐⭐⭐⭐⭐ | Good (varies by core) ⭐⭐⭐ | Lower ⭐ |
| Sound / Acoustic Performance | Excellent ⭐⭐⭐⭐⭐ | Moderate ⭐⭐ | Lower to moderate ⭐ |
| Thermal Insulation per Thickness | High ⭐⭐⭐⭐ | Very high (for thinner sections) ⭐⭐⭐⭐⭐ | Moderate, needs thicker panels ⭐⭐⭐ |
| Cost | Higher than EPS, often comparable to or slightly more than PUF depending on spec | Varies | Lower cost |
| Weight | Heavier | Lighter | Very light |
| Handling / Installation | Needs careful handling, more labor due to weight | Easier | Easiest |
Related Project
Available Customizations
- Panel Lengths: As per project requirements
- Sheet Options: PPGI / PPGL / SS / Aluminium
- Surface Finish: Plain / Corrugated
- Width Customization: Available for bulk orders
Get a Quote for Rockwool Panels
For fire-rated, soundproof, and thermally stable panel solutions, contact EPACK Prefab. We deliver high-quality Rockwool panels tailored to your project requirements.
📞 +918130444466
📧 enquiry@epack.in
Frequently Asked Questions
Rockwool Sandwich Panels are high-performance building panels consisting of a rigid core of stone wool (made from molten basalt rock) bonded between two durable metal facings. They are designed to provide exceptional fire resistance, thermal insulation, and acoustic control in a single, easy-to-install product.
EPACK Rockwool panels achieve a high fire rating. The non-combustible stone wool core remains stable at temperatures exceeding 1000°C, preventing flame spread and protecting structural integrity during fire incidents.
Yes, they are excellent for soundproofing. The dense, fibrous structure of the stone wool core is highly effective at absorbing sound waves and reducing noise transmission. This makes them ideal for acoustic enclosures, studios, offices, and industrial facilities in noisy areas.
Their primary use is in applications where safety and noise are critical:
- Fire-rated Walls & Partitions in buildings, factories, and public spaces.
- Acoustic Enclosures for generators, HVAC units, and machinery.
- Pharmaceutical & Food Processing Plants requiring hygiene and fire safety.
- Commercial & Industrial Roofing and Cladding for enhanced safety.
- HVAC & Duct Insulation due to their fire resistance and thermal properties.
The key benefits are:
- Ultimate Fire Safety: Best-in-class, non-combustible protection.
- Superior Acoustic Performance: Excellent for noise reduction.
- Moisture Resistance: Hydrophobic core repels water, preventing mold.
- Thermal Insulation: Provides stable and effective thermal efficiency.
- Durability: Resists corrosion, pests, and maintains performance long-term.
EPACK Prefab offers Rockwool panels in a range of thicknesses (50 mm, 60 mm, 80 mm, 100 mm, 120 mm, and 150 mm) and densities to meet specific fire resistance, acoustic, and thermal requirements for different projects.
Yes. Rockwool is made from abundant natural stone (basalt) and recycled content. It is fully recyclable at the end of its long life. Most importantly, its superior insulation properties significantly reduce a building’s energy consumption and carbon footprint over time.
Absolutely. While PUF panels are often the first choice for maximum thermal efficiency, Rockwool is an excellent alternative for cold storage where fire safety is a major concern. Its hydrophobic nature also prevents moisture buildup, which is crucial in cold environments.
Our panels are manufactured in ISO-certified facilities using advanced continuous line & technology. We implement rigorous quality control at every stage, from raw material selection to final lamination, ensuring consistent density, precise dimensions, and guaranteed performance that meets international standards.
Choosing EPACK means choosing a partner, not just a product. We offer:
- High-Quality, Certified Products
- Customizable Solutions (thickness, facing, profile)
- Expert Technical Support from design to installation
- Pan-India Supply Chain for reliable and timely delivery