What is Rockwool Insulation?
Overview
Rockwool, also known as Stone Wool, is a type of mineral wool insulation made from natural basalt rock and recycled slag. These raw materials are melted at high temperatures and spun into fibers, resulting in a wool-like texture that offers superior thermal and acoustic properties.
Key Properties
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Thermal Insulation: Excellent at maintaining indoor temperatures, reducing energy consumption for both cooling and heating.
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Fire Resistance: Non-combustible with a very high melting point (above 1,000°C), acting as a fire barrier to enhance building safety.
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Acoustic Absorption: The dense, porous structure effectively traps sound waves, making it ideal for soundproofing.
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Durability: Resistant to moisture, rot, and mildew. It does not slump or lose its shape over time.
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Sustainability: Made from abundant natural stone and recycled materials.
Applications
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Residential & Commercial Buildings: Used in walls, roofs, and ceilings for temperature control and noise reduction.
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Industrial Use: Insulation for boilers, pipes, and heavy machinery to prevent heat loss and protect workers.
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Acoustic Studios: Installed in recording studios, cinemas, and meeting rooms to manage echoes and external noise.
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Fire Protection Systems: Integrated into fire-rated partitions and doors.
Key Properties of Rockwool Insulation
Rockwool insulation is a premium choice for thermal and acoustic management, known for its exceptional durability and safety. Unlike organic materials, its stone-based composition provides several unique advantages:
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Superior Thermal Efficiency: Rockwool has a high R-value, meaning it effectively resists heat flow. It keeps buildings cool in summer and warm in winter, significantly lowering energy costs for HVAC systems.
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Outstanding Fire Resistance: One of the most critical features of Rockwool is that it is non-combustible. It can withstand temperatures exceeding 1,000°C, acting as a fire barrier that helps prevent the spread of flames and provides extra time for evacuation during an emergency.
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Advanced Acoustic Absorption: Due to its high density and interconnected porous structure, Rockwool is remarkably efficient at trapping sound waves. It reduces noise transmission between rooms and from outside sources, making it the gold standard for soundproofing.
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Water Repellency & Breathability: Rockwool is naturally hydrophobic. It repels liquid water while remaining vapor-permeable. This allows moisture to escape from wall cavities, preventing the growth of mold, mildew, and rot.
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Dimensional Stability: Over time, many insulation materials sag or shrink, creating gaps (thermal bridges). Rockwool maintains its shape and density throughout the life of the building, ensuring consistent performance for decades.
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Eco-Friendly & Sustainable: Made from natural basalt rock and recycled slag, Rockwool is a sustainable material. It is fully recyclable and has a low environmental impact compared to synthetic alternatives.
Rockwool vs. Other Types of Insulation: A Comparison
Applications of Rockwool Insulation
Rockwool insulation is an incredibly versatile material. Its unique combination of fire safety, thermal control, and acoustic performance makes it the preferred choice across various sectors. Here is how Rockwool is typically applied:
1. Residential & Commercial Buildings
In modern architecture, Rockwool is used to create comfortable and energy-efficient living spaces:
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External & Internal Walls: Installed within wall cavities to prevent heat gain from the outside and reduce noise between rooms.
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Roofing & Attics: High-density Rockwool boards are used in flat roofs and attics to block solar heat, significantly reducing air conditioning costs.
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Ceilings & Floors: Used to dampen impact noise (like footsteps) between floors in high-rise apartments and offices.
2. Industrial & Power Plants
Due to its ability to withstand extreme temperatures, Rockwool is indispensable in heavy industry:
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Pipe Insulation: Wrapping high-temperature steam pipes to prevent energy loss and protect workers from accidental burns.
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Boilers & Tanks: Used as a thermal wrap for industrial boilers, kilns, and large storage tanks to maintain stable internal temperatures.
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Process Equipment: Applied to machinery that operates at high heat to ensure operational efficiency and safety.
3. Acoustic & Soundproofing Projects
Rockwool is the "gold standard" for controlling sound environments:
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Recording Studios & Cinemas: Used to eliminate echoes and prevent sound leakage.
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Data Centers: Absorbs the constant hum of cooling fans and servers.
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Mechanical Rooms: Surrounding noisy HVAC units or generators to keep the rest of the building quiet.
4. Fire Protection Systems
Beyond insulation, Rockwool acts as a vital safety component:
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Fire-Rated Partitions: Integrated into walls designed to contain fire within a specific zone for a set duration.
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Fire Doors: Used as a core material in fire-resistant doors to enhance structural integrity during a fire.
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Curtain Wall Firestopping: Filling the gaps between the floor slab and the exterior curtain wall to prevent flames from jumping between floors.
ROCKWOOL fire resistance
ROCKWOOL volcanic rock insulation is non-flammable and therefore cannot be used as fuel in case of fire. ROCKWOOL volcanic rock insulation can protect your life and property. It is an insulator that does not produce harmful toxic fumes. can help protect building structures and help to slow down the spread of flames To increase the amount of time it takes for residents to escape from the building, insulate the building's exterior glazing system with ROCKWOOL insulation. In addition to helping prevent fire spread from floor to floor It can also help prevent smoke from occurring.
Rocksafe Plus was products developed to be used as a device for fire protection in the installation of outdoor glass walls. An important aspect of its use is sealing the openings. In non-visible areas, such as the gap between the glass wall and the floor, this is where flame spread can be prevented. and can maintain different rooms on each floor In the event of a building fire
Roof Insulation
FlatRoof (HardRock 30)
Light type flat roof insulation system Has the ability to help reduce costs effectively and has a thermal conductivity Sound and fire protection that meets basic requirements Insulators for this light flat roof It consists of insulating sheet for roofing series RoofRock 30 with a compressive strength of 30 kPa (3 tons per square meter) to be used as the base of this roofing system. Equipped with HardRock 60 insulators with superior mechanical strength. stacked on top to improve overall system performance As a result, this lightweight flat roof insulation has been standardized by fire protection equipment testing. and Fire Suppression Insurance Group in the United States (FM Gloval-Factory Mutual).
FlatRoof Plus (HardRock 60)
The ROCKWOOL FlatRoof Plus roofing system offers mechanical strength suitable for more challenging roof applications. It consists of two HardRock 60 roofing insulators and, due to its compressive strength of 60 kPa (6 tons per square meter), can support the foot weight during roof repairs. good and with innovation The combination of ROCKWOOL technology has resulted in the HardRock 60 roofing insulation sheet offering mechanical strength, light weight and fire protection properties. When tested to EN 1606 (European Compression Strength Test Standard for Insulators), Plus flat roof insulation can withstand loads of up to 3 kPa (300 kg). per square meter)
FlatRoof Pro (HardRock 80)
The flat roof insulating system (FlatRoof Pro) offers outstanding performance and is different from similar roofing systems. It is a well tested roofing system. and from the excellent usage history in the Asia region can therefore prove that The flat roof system (FlatRoof Pro) provides excellent noise protection. Due to the properties of the insulating board with high density and does not absorb water When tested in accordance with European standard EN 1606 (Insulating Compression Strength Test), the FlatRoof Pro can withstand loads of up to 4 kPa ( 400 kg per square meter)
Roof insulation can protect your building from hot weather. As a result, you use less air conditioning and help reduce your monthly electricity bill. In addition, ROCKWOOL insulation has fire protection properties. Excellent noise absorption ability Increase safety and improve quality of life
ROCKWOOL Safe ‘n’ Silent Pro (Rockwool Sound In)
ROCKWOOL Safe 'n' Silent Pro is suitable for use in lightweight wall systems in hospitals, cinemas, schools, office buildings, residential accommodations, and industrial facilities. It can be used with steel framework for easier installation and long-lasting shape retention, preventing it from sagging or slumping down within wall cavities.
Special Features
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Non-combustible, durable, and resilient throughout the lifespan of the building
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Non-absorbent and moisture-resistant
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Not prone to easy ignition or damage by fire
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Easy and swift installation
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Capable of absorbing and reducing reflected sound and decreasing risk factors associated with noise pollution
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Reduces energy consumption required for maintaining internal building temperatures
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In case of fire, it possesses properties that prevent fire spread or flame propagation.
ROCKWOOL Safe ‘n’ Silent Pro is nature-based insulation made of volcanic stone, a safe and sustainable material that continues to perform and lasts throughout the lifetime of the building. It is designed and manufactured to achieve excellent acoustic insulation performance in all types of drywall partition configurations. ROCKWOOL Safe ‘n’ Silent Pro is recommended to be used for drywall partition applications in hospitals, cinemas, schools, offices, residential and industrial buildings. It may be used for metal stud partitions for easy installation, keeps its shape over time without sagging or slumping in the wall cavity.
For noise reduction
For roof and wall heat reduction
Specifications
Which Projects are Best Suited for Rockwool Insulation?
While Rockwool is a versatile material, its high density and superior fire resistance make it the "premium choice" for specific types of projects. If your project falls into any of the following categories, Rockwool is likely your best investment:
1. High-Risk Industrial Facilities
Safety is the top priority in industrial environments. Rockwool is essential for:
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Chemical & Oil Refineries: Projects requiring strict fire safety protocols.
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Power Plants: Insulation for high-temperature turbines and exhaust systems.
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Manufacturing Plants: Reducing heat radiation from large-scale industrial ovens and furnaces to protect the workforce.
2. Commercial Buildings with High Occupancy
Buildings that house many people require materials that provide both comfort and safety:
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Hospitals & Schools: Where fire containment (fire-stopping) and a quiet, healing, or learning environment are mandatory.
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Shopping Malls & Hotels: Projects looking for long-term energy savings and superior sound insulation between guest rooms or retail units.
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High-Rise Condominiums: Used in curtain walls to prevent the "chimney effect" during a fire.
3. Specialized Acoustic Environments
When sound control is not just a luxury but a necessity:
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Data Centers: To dampen the intense noise generated by massive cooling systems.
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Entertainment Venues: Home theaters, recording studios, and concert halls requiring precise "echo control" and sound isolation.
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Office Meeting Rooms: Ensuring privacy and reducing distractions from outside office noise.
4. Sustainable and "Green" Building Projects
For projects aiming for LEED or other green building certifications:
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Eco-Friendly Homes: Rockwool’s natural stone composition and recyclability make it ideal for environmentally conscious developers.
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Energy-Efficient Retrofits: Upgrading old warehouses or factories to meet modern energy-saving standards.
Our company imports refractory products.
Imports and has practiced in the industry of refractory materials, heat insulators, cold insulators and works related to metal melting for more than 19 years. We also sell thermal insulation and sound insulation products. For use in factories, buildings, and Households with express delivery throughout Thailand for many items. Rockwool is the product for protect fire damage and can reduce any noise to lower than usaul.
We deliver nationwide along with insulation analysis and installation services
RockWool insulation is popular and trusted by industrial factories and even houses or buildings that operate various businesses. very well We are ready to distribute products to customers. In districts in nearby areas such as Ayutthaya, Saraburi, Korat, Lop Buri, Ang Thong, Sing Buri, Phetchabun, we focus on service. Let us help you go out to see the work place for installation immediately or if the area is upcountry, we can also provide services for you. The speed of the service depends on the distance and the required amount of goods. And we are ready for products all over the country.
Why Choose Centrotec for Your Rockwool Installation?
Selecting the right material is only half the battle; the quality of the installation determines the long-term performance of your insulation system. Here is why Centrotec is the trusted partner for leading industries and developers in Thailand:
1. Proven Technical Expertise
With years of experience in the insulation industry, Centrotec doesn’t just install materials—we provide engineering solutions. Our team understands the technical nuances of thermal dynamics and acoustic engineering, ensuring that every Rockwool board or blanket is positioned for maximum efficiency.
2. Certified Professional Installers
Poor installation can lead to "thermal bridges" or sound leaks that render insulation useless. At Centrotec, our technicians are specially trained in Rockwool application techniques. We ensure seamless joints, secure fastening, and strict adherence to safety standards, especially in high-heat industrial environments.
3. Comprehensive On-Site Assessment
We believe in a customized approach. Before any installation begins, our experts conduct a thorough site survey to:
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Identify specific heat or noise sources.
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Recommend the correct density and thickness of Rockwool.
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Calculate potential energy savings and ROI for your project.
4. Uncompromising Quality Control
We source only high-grade Rockwool materials that meet international fire safety and environmental standards. Every project undergoes a rigorous quality check to ensure the installation is durable, moisture-resistant, and fully compliant with building codes.
5. End-to-End Project Management
From the initial consultation and material procurement to the final installation and post-service support, Centrotec manages the entire process. We pride ourselves on punctuality, cleanliness, and completing projects within the agreed timeline and budget.
Ready to Enhance Your Building’s Performance?
Don’t settle for substandard insulation. Protect your assets, reduce your energy costs, and ensure the safety of your occupants with Centrotec’s professional Rockwool solutions.
Contact us today for a free consultation and quotation.
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Phone:
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+66 36 222 822
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Email: kittipat.centrotec@gmail.com
