8 cm 100 kg/m³ Rock Wool
Selecting the right insulation material requires balancing both thickness and density to achieve the desired thermal, acoustic, and mechanical performance. 8 cm 100 kg/m³ rock wool offers an excellent combination of moderate density and increased thickness, providing reliable mechanical strength together with superior thermal insulation.
Its A1 non-combustible fire classification makes it a dependable solution for projects where energy efficiency and fire safety are equally important.
What is 8 cm 100 kg/m³ Rock Wool?
This insulation board is manufactured from melted basalt rock fibers and features a density of 100 kg/m³ with a thickness of 8 cm. Its medium-density structure offers an ideal balance between lightweight construction and mechanical durability.
In addition to its excellent thermal insulation properties, it also provides effective sound insulation, making it suitable for residential, commercial, and industrial buildings.
Technical Specifications
- Thickness: 8 cm
- Density: 100 kg/m³
- Thermal Conductivity (λ): Approximately 0.036–0.041 W/mK
- Fire Classification:A1 (Non-combustible)
- Sound Insulation Performance: Approximately 35–50 dB (depending on the application)
- Temperature Resistance: Maintains its structural integrity at temperatures of up to 1,000°C
Applications
Exterior Wall Insulation
Provides excellent thermal insulation while maintaining a lightweight facade system.
Roof Insulation
Helps reduce heat loss during winter and minimizes heat gain during summer, improving overall energy efficiency.
Interior Partition Walls
An effective solution for improving acoustic comfort between rooms.
Ceiling Insulation
Ideal for suspended ceilings where both thermal and sound insulation are required.
Fire Protection Applications
Suitable for passive fire protection systems, including escape corridors and fire-rated wall assemblies.
Advantages
✔ Excellent thermal and acoustic insulation for improved energy efficiency and comfort
✔ Balanced mechanical strength with a lightweight structure
✔ A1-rated non-combustible material for enhanced fire protection
✔ More economical than higher-density insulation boards while delivering reliable performance
✔ Long service life with excellent resistance to moisture, mold, and pests
Installation Tips
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Install on clean, dry, and level surfaces for optimum performance.
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Secure the insulation boards using steel anchors or suitable insulation adhesive.
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Seal all joints carefully to minimize thermal bridging.
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In exterior applications, protect the insulation with render, cladding, or another approved finishing system.
Frequently Asked Questions (FAQ)
Where can 8 cm 100 kg/m³ rock wool be used?
It is suitable for exterior wall insulation, roof insulation, interior partition walls, ceiling systems, and a wide variety of residential, commercial, and industrial applications.
What is the difference between 100 kg/m³ and 120 kg/m³ rock wool?
100 kg/m³ rock wool is lighter and more cost-effective while providing sufficient performance for most standard construction projects. 120 kg/m³ rock wool offers higher mechanical strength and improved acoustic performance for more demanding applications.
Is it fire resistant?
Yes. It is classified as A1 non-combustible and maintains its structural integrity at temperatures of up to 1,000°C.
Is it durable?
Yes. When installed correctly and protected according to the application requirements, it can provide a service life of 20 years or more while maintaining its insulation performance.