Glass Wool Board for Building Thermal and Acoustic Insulation
Product Description:
Temp Grade 120°C–400°C
Density: 10kg/m₃–100kg/m₃
Specification:
• Thickness: 25-150mm
• Width:600mm
• Length:1200mm
Customized specification is acceptable.
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Glass Wool Board for Building Thermal and Acoustic Insulation
MDLINSULATION supplies Glass Wool Board for building thermal insulation, HVAC systems and acoustic applications. Made from fine glass fibers bonded into board form, glass wool insulation board helps reduce heat transfer and absorb sound in suitable wall, roof, ceiling and mechanical system assemblies.
As a Glass Wool Board Manufacturer and Supplier, we support insulation distributors, building material wholesalers, construction contractors and engineering companies. Available product options can be discussed according to required thickness, density, board dimensions, facing type and project specifications.
Key Benefits of Glass Wool Insulation Board
- Thermal Insulation: Helps reduce heat transfer and improve the thermal performance of suitable building assemblies.
- Sound Absorption: Helps absorb airborne sound in compatible partitions, ceilings and acoustic systems.
- Lightweight Board Structure: Convenient to handle, cut and install using appropriate installation procedures.
- Flexible Specifications: Different thicknesses, densities and board dimensions can be evaluated according to application requirements.
- Optional Facing: Aluminum foil and other facing options may be available for selected grades.
- B2B Supply Support: Suitable for quotation requests from distributors, contractors and project procurement teams.
Actual thermal, acoustic, fire and mechanical performance depends on the selected grade, facing and complete installation system. Please confirm technical specifications before ordering.
Applications of Glass Wool Board
1. Building Wall and Roof Insulation
Glass wool board can be incorporated into compatible wall, roof and ceiling systems to help improve thermal insulation and indoor comfort. It can be considered for suitable commercial buildings, steel-frame structures and partition assemblies when the selected product meets the system requirements.
Explore our Building Insulation Materials for additional building insulation solutions.
2. HVAC Duct Insulation
Selected glass wool board grades can be used in suitable HVAC duct insulation or acoustic lining systems. Product selection should consider duct design, installation method, facing requirements, moisture exposure and applicable system standards.
3. Acoustic Wall and Ceiling Systems
Glass wool insulation board can be used as an absorbent core in compatible acoustic panels, partition walls and ceiling systems. Sound absorption performance depends on board thickness, density, mounting arrangement, facing and the complete assembly design.
4. Commercial and Light Industrial Buildings
Glass wool board can be considered for thermal and acoustic insulation in offices, commercial buildings, workshops and equipment rooms where the product’s rated properties meet the project requirements.
For higher-temperature industrial applications, verify the product’s continuous service temperature and binder limitations. Our Ceramic Fiber Blanket may be a more appropriate option for certain high-temperature environments.
Glass Wool Board Technical Specifications
| 1 | Item | Unit | Test Result |
| 4 | Working temperature | (℃) | -120~450 |
| 6 | Density | (kg/m3) | 10-120 |
| 7 | Nonflammable | / | Grade A1 |
| 8 | Hydrophobic coefficient | (%) | 98 |
| 9 | Compression Strength(10%deformation) | (Kpa) | ≥40 |
| 10 | Tensile strength | (Kpa) | 23-45 |
| 11 | PH value | ppm | ≤8 |
| 12 | Thermal conductivity（average 25℃） | W(m.k) | 0.032-0.040 |
| 13 | Thickness | mm | 15-120 |
| 14 | Width | mm | 600 |
| 15 | Length | mm | 1200 |
| 16 | Water content | (%) | ≤1.0 |
| 17 | Water absorption(Partial Immersion) | Kg/m2 | Short term(24h)≤1.5 Long term(28d)≤3.0 |
| 18 | Slag wall content（dia>0.25mm) | % | ≤0.3 |
| 19 | Average diameter of fiber | um | ≤8.0 |
| 20 | Asbestos | – | asbestos free |
| 21 | Sound Absorption Coefficient( 20mm thickness at 125-4000 Hz band) | NRC | ≥0.8 |
| 22 | Odor emission | – | no |
Final specifications must be confirmed for the selected grade. Density, thermal conductivity, water absorption, compressive strength, fire classification and maximum service temperature should be supported by current technical documentation.
How to Choose the Right Glass Wool Board
Selecting the right glass wool board starts with the intended application and required performance.
- Thickness: Determine the required thermal performance or acoustic objective and the available installation space.
- Density: Match the grade to the mechanical requirements and installation method.
- Facing: Consider aluminum foil or other facings where required by the system design. Verify vapor-control performance and temperature limitations.
- Thermal Conductivity: Compare values measured under equivalent test conditions.
- Fire Classification: Check the applicable test report for the complete product and intended installation.
- Moisture Exposure: Evaluate moisture protection, vapor control and weatherproofing requirements.
- Service Temperature: Confirm the rated continuous operating temperature and any binder or facing limitations.
If the project requires higher rigidity or greater compressive strength, compare glass wool board with suitable alternative insulation board products before final selection.
Why Choose MDLINSULATION as Your Glass Wool Board Supplier?
MDLINSULATION supports international B2B buyers sourcing insulation materials for construction and technical applications.
- B2B Procurement Support: Serving distributors, wholesalers, contractors and project buyers.
- Specification Review: Assistance with evaluating thickness, density, board dimensions and facing requirements.
- Order Planning: Product availability and quantities discussed according to project needs.
- Export Coordination: Packaging and shipment arrangements based on confirmed order details.
- Multiple Insulation Options: Access to other insulation products for applications requiring different material properties.
Learn more About MDLINSULATION or contact our team to discuss your project requirements.
Frequently Asked Questions
What is glass wool board used for?
Glass wool board is used for thermal insulation and sound absorption in suitable building walls, roofs, ceilings, HVAC systems and acoustic assemblies. The correct grade depends on the application and required performance.
What is the difference between glass wool board and rock wool board?
Glass wool board is made from glass fibers and is commonly used in building insulation, HVAC and acoustic applications. Rock wool board is made primarily from mineral rock fibers and has different thermal, mechanical and temperature properties depending on grade. Compare the relevant technical datasheets before selecting either material.
Is aluminum foil faced glass wool board available?
Aluminum foil faced glass wool board may be available for selected grades. Confirm availability, facing specifications and suitability for the intended installation before ordering.
How do I select glass wool board thickness and density?
The appropriate thickness and density depend on thermal requirements, acoustic objectives, mechanical needs, installation space and applicable project standards. Provide your project details to help evaluate a suitable grade.
Is glass wool board suitable for high-temperature industrial applications?
Glass wool board is generally used within the temperature limits specified for its particular grade. For higher-temperature applications, confirm the continuous service temperature and binder limitations. A suitable high-temperature insulation material may be required instead.
What information is needed for a quotation?
Please provide the required density, thickness, board dimensions, facing type, application, estimated quantity and destination country. Technical drawings or a project specification sheet can help improve quotation accuracy.
Request a Glass Wool Board Quotation
Looking for a Glass Wool Board Supplier for building insulation, HVAC applications or wholesale purchasing?
Contact MDLINSULATION with your required specifications, estimated quantity and delivery destination. Our team can review available product options and prepare a quotation according to your application and purchasing requirements.
Professional Insulation Materials Manufacturer in China
Mindelun supplies a comprehensive range of ceramic fiber, mineral wool, calcium silicate, silica fiber and advanced insulation materials for industrial applications. From standard products to customized insulation solutions, we help customers improve thermal efficiency, equipment protection and operating performance.
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Start Your Project With Mindelun Insulation Products
We are a professional and formal manufacturer of high temperature insulation materials. We mainly produce and sell products under our own brand with self-operated production and direct sales, without any middlemen trading links.
The core founding team has more than 14 years of in-depth experience in the insulation materials. Mindelun production team and cooperative manufacturing bases possess over 10 years of standardized mass production experience, with mature technology and stable production capacity.
Our product portfolio covers full-range general ceramic fiber insulation series and meet the needs of industrial furance heat saving needs. We also support personalized product customization like calcium silicate products, silica glass fiber products and minel wool insulation series according to clients’ market and end-user requirements.
We provide one-stop OEM/ODM customized manufacturing services for industrial insulation materials and building insulation materials. With extensive expertise in material selection, application-based quantity calculation, and custom-shaped component fabrication, our team delivers tailored solutions based on specific project requirements. From technical solution design, sample development, and mold opening to precision processing and mass production, Mindelun provides reliable full-process support for customized insulation solutions.
Full-range customization is fully supported. We can customize product size, package style, logo, providing one-stop solutions covering design, production and packaging.
Mindelun offers flexible order quantities, including sample orders, small retail orders, air shipments, 20GP, and 40HQ containers. One container can be mixed with at least 10 different products, helping wholesalers, retailers, distributors, and project customers reduce procurement costs through one-stop sourcing.
As a professional insulation materials supplier and wholesaler, Mindelun also provides flexible product specifications and quantities based on specific project requirements.