Fire Resistance, Thermal Control & Load-Bearing Performance
Rockwool roof panels are engineered roofing solutions developed for industrial and commercial structures where fire safety, thermal control, and structural reliability are critical. Manufactured with a high-density mineral wool insulation core, these panels are widely specified for factories, warehouses, logistics hubs, and large-span buildings exposed to demanding operating conditions.
At Mount Roofing & Structures, Rockwool roof panels are supplied as integrated roofing systems designed to meet performance expectations across safety, durability, and long-term operational efficiency.

Technical Specifications
Core Material
High-density, non-combustible stone wool (rockwool) with A1 fire classification and a melting point above 1000°C, ensuring stability under extreme fire exposure.
Thermal Performance
Thermal conductivity (K-value) of 0.034–0.037 W/m·K, delivering consistent insulation performance across varying environmental and operating conditions.
Rockwool roof panel thickness
Available from 20 mm to300 mm in customizable increments. Rockwool roof panel thickness is selected to meet project-specific structural loads and thermal design requirements.
Panel Widths & Profiles
Standard widths of 1000–1150 mm with PPGI, PPGL, or Galvalume metal facings. Rib and Micro-Rib profiles enhance load distribution and water drainage.
Compressive & Load-Bearing Strength
Core density of 96–150 kg/m³ supports distributed roof loads. Compression resistance ranges from 50–100 kPa at 10% deformation, based on density and application.
Acoustic Performance
Sound absorption coefficients (αw) of 0.75–0.85 reduce vibration and machinery noise in industrial environments.
Fire Safety
The non-combustible core maintains integrity under high temperatures, achieving 120+ minutes fire resistance in roof assemblies with no flame spread or toxic gas release.
Moisture & Weather Resistance
Sealed metal facings with sloped profiles ensure effective drainage and stable performance across temperatures from -40°C to +70°C.
Characteristics of Mount Rockwool Roof Panels
Rockwool roof panels are constructed using a non-combustible mineral wool core bonded between profiled metal sheets engineered to withstand external loads and environmental exposure. This composition provides excellent fire resistance while maintaining stable insulation performance under continuous heat, sunlight, and industrial activity.
The panels demonstrate strong dimensional stability, resistance to moisture penetration, and consistent insulation properties over time. Their structure supports large roof spans, making them suitable for industrial buildings with expansive floor plates and minimal internal columns.
What our client's say

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Applications
Industrial manufacturing facility roofs
requiring fire safety and thermal efficiency
Cold storage & freezer facility roofs
combining thermal insulation, fire safety, and moisture resistance
Data center roofs
demanding fire protection, thermal stability, and equipment load accommodation
Pharmaceutical & cleanroom facility roofs
where non-shedding, hygienic construction is critical
Food processing plant roofs
requiring contamination control and fire codes compliance
Process facilities & refineries
where equipment mounting and vibration control are essential requirements
Warehouse & logistics facility roofs
requiring fire safety and thermal control without maintenance burden
Utility buildings & equipment enclosure roofs
with machinery and service equipment integration requirements
Hot climate facility roofs
where roof thermal loads drive HVAC costs and high-performance insulation reduces operating expenses
Why Choose Mount Rockwool Roof Panels
Fire Safety & Structural Stability
Non-combustible stone wool with A1 classification does not ignite, spread flame, or emit toxic gases. Panels retain load-bearing integrity during fire, preventing roof collapse and protecting assets without additional fire barriers.High Load-Bearing Capacity
High-density core supports equipment loads, maintenance access, and environmental forces. Roof load capacities of 300–500+ kg/m² are achievable based on panel specification and fastener design.Superior Thermal Performance
Stable K-values of 0.034–0.037 W/m·K performs consistently from -40°C to +70°C. Reduces roof heat gain by 40–50% in hot climates, with no degradation from humidity, UV exposure, or aging.Vibration & Noise Control
Dense stone wool core absorbs vibration from rooftop machinery and limits noise transfer indoors. Sound absorption of 0.75–0.85 improves comfort and productivity in industrial facilities.Weather Durability
Coated metal facings resist UV exposure, moisture, and temperature cycling. Sloped profiles promote drainage, while the mineral wool core remains stable without settling or breakdown.Advanced Moisture Protection
Hydrophobic core and sealed joints block water ingress, protecting structural members. Prevents mold, corrosion, and decay commonly associated with conventional insulation materials.Mount Advantage – Why Specify Mount Rockwool Roof Panels
As an experienced Rockwool roof panels manufacturer, Mount focuses on delivering roofing systems that perform consistently throughout the building lifecycle. Each project is supported with panel profiling, thickness selection, and installation guidance tailored to roof span, slope, and usage requirements.
Mount’s system-driven approach ensures:
- Uniform insulation density across roof panels
- Reduced thermal bridging at panel joints
- Reliable performance under mechanical and climatic stress
This results in predictable installation quality and long-term roofing stability.
Benefits of Mount Rockwool Roof Panels
From a design and procurement perspective, Rockwool roof panel thickness selection allows precise alignment with insulation, fire safety, and structural requirements. Panels maintain insulation performance even under continuous solar load and elevated roof surface temperatures.
In lifecycle terms, Rockwool roof panels price justification is achieved through energy efficiency, reduced fire risk exposure, and long-term durability. Facility owners benefit from stable roof performance, while developers gain a roofing system aligned with modern industrial safety and compliance standards.
