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Huamei high-strength roof insulation rock wool board is specialized in various industrial and civil roof insulation systems.
It not only has excellent thermal insulation, tire prevention and noise reduction pertormance, but also has excellent compression resistance, high load, aging resistance and weather resistance. It is used together with perforated metal plates, with obvious noise reduction effect, and can effectively control the indoor reverberation time. It is an ideal choice for various building roof insulation systems.
Product Description
Huamei high-strength roof insulation rock wool board is used for steel roof structural systems with high requirements for compressive strength. It is often used as an insulation layer and a load-bearing layer to form a roof insulation and waterproofing structural system with flexible waterproof rolls and broathablc layors. Tho floxiblo watorproof roof is also uscd in the waterproof system of steel structures or concrete Flat roof structures such as airports, railway stations, various workshops, commercial centers,exhibition centers, stadiums, etc.
Project | Item | Model | Standards |
Compressive strength | kPa | ≥40 ≥60 ≥80 | GB/T 19686 |
Point load (compress 5mm) | N | ≥200 ≥500 ≥700 | GB/T 19686 |
Thermal conductivity | W/(m-K) | ≤0.040 | GB/T 19686 |
Acidity coefficent | -- | ≥1.8 | GB/T 5480 |
Flammablity | -- | A1级 | GB 8624 |
Hydrophobicity rate | % | ≥98.0 | GB/T 19686 |
Moisture absorption rate | % | ≤0.5 | GB/T 19686 |
| Melting temperature | ℃ | 1000 | -- |
Note:
This product must be stored indoors and covered with waterproof cloth when placed outdoors, Please ensure that the outcr padoging of the product is intact beforne use.
High-strength rock wool boards have a high density and excellent compressive and point load resistance, allowing them to withstand the long-term loads of roof construction and use.
Low thermal conductivity effectively reduces heat loss from the roof, improving overall energy efficiency and meeting green building energy conservation requirements.
Rock wool is a non-combustible Class A material, maintaining structural stability even at high temperatures and meeting the fire protection design requirements of roof systems.
The board has minimal shrinkage and is not easily deformed, maintaining the overall flatness and stability of the roof system over time.
With excellent water resistance, freeze-thaw resistance, and aging resistance, it is suitable for long-term exposure or use with a waterproofing layer.
Industrial and Civil Roofing Systems: Suitable for thermal insulation of various roof structures, including steel and concrete roofs.
Flat roof fire insulation: Particularly suitable for public buildings and storage structures with high fire protection requirements.
Green roofs and photovoltaic roof systems: Provide excellent insulation and fire protection while maintaining load-bearing performance.
Roof energy-saving renovation projects: Used to upgrade the insulation of existing building roofs and improve the building's energy efficiency.、、
In modern building design, the roof is not a single component but a multi-layered building envelope system.
High-strength rock wool roof insulation panels are positioned as the core functional insulation layer within this system, balancing structural support, thermal regulation, fire safety, and system compatibility.
Rather than acting independently, the panel works in coordination with structural decks, vapor control layers, waterproof membranes, and finishing layers to deliver stable long-term roof performance.
A standard flat or low-slope roof system integrating high-strength rock wool panels typically follows this configuration (bottom to top):
Load-Bearing Roof Deck
Steel deck or reinforced concrete slab
Provides structural support for the entire roof assembly
Vapor Barrier Layer
Prevents indoor moisture migration into the insulation layer
Protects long-term thermal stability of the roof system
High-Strength Rock Wool Roof Insulation Panel
Installed directly above the vapor barrier
Acts as the primary thermal insulation and fire protection layer
Supports mechanical fixing or adhered waterproof systems
Waterproof Membrane System
TPO / PVC / EPDM / Bituminous membranes
Fully bonded or mechanically fastened onto the rock wool layer
Protective or Functional Finish Layer (Optional)
Gravel ballast, concrete slabs, green roof substrate, or photovoltaic mounting systems
In this configuration, the rock wool panel becomes the interface layer connecting structural elements with external protective systems.
Thermal Regulation and Energy Control
Within the building envelope, the panel stabilizes internal temperatures by minimizing heat transfer through the roof. This directly supports HVAC efficiency, indoor comfort, and compliance with energy-saving standards.
Fire Safety Zoning in Roof Assemblies
Integrated into the roof structure, high-strength rock wool panels function as a passive fire barrier, limiting flame spread across roof surfaces and preventing fire penetration into internal spaces. This is particularly critical in large-span industrial and commercial buildings.
Structural Load Distribution
Due to its high compressive strength, the panel distributes loads from waterproof layers, rooftop equipment, maintenance traffic, and external systems such as photovoltaic arrays—protecting underlying structural components.
Moisture and Condensation Management
When paired with vapor barriers and waterproof membranes, the panel contributes to a controlled moisture environment within the roof system, reducing condensation risks and extending service life.
Industrial and Commercial Flat Roofs
In factories, warehouses, logistics centers, and data facilities, the panel integrates into mechanically fixed or fully bonded roofing systems, supporting large roof spans and frequent maintenance access.
Fire-Rated Roofing Systems
For buildings with strict fire codes, the panel is used as a key element in fire-resistant roof assemblies, supporting compliance with insurance and regulatory requirements.
Green Roof Systems
High-strength rock wool panels serve as a stable insulation base beneath planting systems, enabling thermal performance while supporting soil loads and irrigation structures.
Photovoltaic Roof Systems
The panel integrates seamlessly beneath solar mounting structures, maintaining insulation continuity and fire separation without compromising rooftop load performance.
Roof Retrofit and Renovation Projects
In refurbishment scenarios, panels can be installed over existing roof decks to upgrade thermal and fire performance without major structural modification.
Huamei high-strength roof insulation rock wool boards are meticulously designed for industrial and residential roofing systems. They offer exceptional compressive strength, excellent thermal insulation, an A1 fire rating, superior weathering and aging resistance, and outstanding sound insulation and noise reduction. They are a comprehensive solution for roof insulation, fire protection, heat insulation, and durability.
For product information, quotes, or project examples, please contact us. We are happy to provide professional support for your project.
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