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Glass Wool Board for HVAC Duct & Building Insulation | Myreal
- Glass Wool Board is a lightweight, non-combustible insulation material for thermal applications.
- It is widely used in HVAC air duct systems, as well as wall, ceiling and roof insulation in commercial and industrial buildings.
5.0
Samples can be provided:
Yes
MOQ (Minimum Order Quantity):
Usually 10 m³ (353 ft³), negotiable for smaller orders
Application:
HVAC air ducts; buildings (roof, ceiling, walls)
Certification:
ISO, CE, RoHS, FM
Lead Time:
Usually within 2 weeks after order confirmation. Rush orders can be expedited upon request.
Packaging Type:
Plastic Bags, Cartons also feasible
OEM:
Custom Branding and Packaging Available
Warranty:
2 years
Place of Origin:
China
Brand:
Myreal
design customization
Please fill out the form below to request a quote or to request more information about us. Please be sure to upload customized requirement documents or pictures, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Thickness
25–100 mm (0.98–3.94 in)
Max. Service Temperature
≥300 °C (≥572 °F)
Density
24–120 kg/m³ (1.50–7.49 lb/ft³)
Thermal Conductivity
0.039W/(m·K)
R-value
0.64-2.56 m²·K/W
Fire Rating
A1 (Non-Combustible)
Material Safety
Formaldehyde-free
Waterproof
≥98%
This page is intended for contractors, distributors, and project buyers looking for Glass Wool Board for ventilation ducts, building ceilings, and walls .
Myreal® Premium Chinese Rock Wool Panel
Produced in China using high-quality glass fibers, our glass wool panels provide excellent thermal insulation, fire resistance, and long-term dimensional stability. Featuring trusted Owens Corning materials, our panels ensure consistent quality and fast delivery to meet project timelines.
Suitable for a wide range of applications, including HVAC ducts, roofs, ceilings, and walls, our panels are available in custom sizes to meet specific project requirements. Trusted by clients across over 20 countries, we deliver professional insulation solutions for both construction and industrial projects.
Product Features
🔥 Fire Resistance
- Classified as Class A1 non-combustible under international fire standards.
- High-density glass fiber structure resists flame spread effectively.
- Ensures reliable fire safety for HVAC ducts, walls, ceilings, and roofs.
🌱 Environmental Safety
- Brown Glass Wool Board is made with bio-based bonding agents and free from formaldehyde.
- Asbestos-free and suitable for green building projects.
📐 Customization Options
- Density, dimensions, and facing (e.g., aluminum foil) can be customized for specific project requirements.
- Standard sizes recommended for better availability and cost efficiency.
💧 Water Repellency
- Up to 98% water-repellent performance.
- Ensures long-term durability and insulation performance in walls, ceilings,HVAC systems and more.
Technical Parameters
| Parameters | Value | Unit | Test Standard |
|---|---|---|---|
| Thermal conductivity (25℃) - K value | 0.040 | W/(m·K) | GB/T 10295 |
| Fire Rating | Class A1 | / | GB 8624 |
| Hydrophobicity | ≥98 | % | GB/T 10299 |
| Environmentally Friendly | Asbestos-free | / | GB/T 5480 |
| Slag inclusion content | ≤0 | % | GB/T 5480 |
| Heat shrinkage temperature under load | ≥300 | ℃ | GB/T 5480 |
| Average diameter of fiber | 6.0 | μm | GB/T 5480 |
Calculated as R = Thickness / K, where K = 0.04 W/(m·K). Typical thickness ranges from 25 mm to 100 mm, giving R-values approximately from 0.625 to 2.5 m²·K/W.
Areas of Applications
🏢Building Envelope Insulation
External walls, internal walls, roofs and ceilings for thermal efficiency and energy saving
🔇 Acoustic Insulation
Systems Offices, hotels, studios, theaters and public buildings requiring sound absorption
❄️ HVAC Systems
Metal Air ducts, ventilation systems insulation
🏭 Industrial Applications
Factories, workshops and technical rooms for thermal and noise control
Plant Environment
Production Line - On-site View 1
Production Line - On-site View 2
Packaging of Goods
Glass Wool Boards Packed in Polyester Bags 1
Glass Wool Boards Packed in Polyester Bags 2
Frequently Asked Questions
1. What is the fire performance of the glass wool board?
The glass wool board is rated A1 (non-combustible) and can withstand a 1-2 hour fire test.
2. What is the R-value of the board?
The R-value ranges from 0.64-2.56 m²·K/W, depending on board thickness.
3. Is the board formaldehyde-free and eco-friendly?
We have brown glass wool board with bio-based bonding for that purpose.
4. What is the minimum order quantity (MOQ)?
The standard MOQ is 10 m³. Smaller quantity below can be discussed,and larger orders may benefit from a lower unit price.
5. What is the lead time?
Orders are usually ready within 2 weeks after confirmation of order and payment. Urgent orders can be expedited.
6. Are samples available?
Yes. Free samples are available, customers only need to cover the shipping cost.
Metric Standard Size & Density Chart
| Product | Thickness (mm) | Length (mm) | Width (mm) | Density (kg/m³) |
| GW-ST/25 | 25 | 1200/2400 | 600/1200 | 24-120 |
| GW-ST/30 | 30 | |||
| GW-ST/40 | 40 | |||
| GW-ST/50 | 50 | |||
| GW-ST/60 | 60 | |||
| GW-ST/70 | 70 | |||
| GW-ST/80 | 80 | |||
| GW-ST/90 | 90 | |||
| GW-ST/100 | 100 |
Imperial / US Customary System Size & Density Chart
| Product | Thickness (inch) | Length (inch) | Width (inch) | Density (lb/ft³) |
| GW-ST/25 | 0.98 | 47.24 / 94.49 | 23.62 / 47.24 | 1.50 – 7.49 |
| GW-ST/30 | 1.18 | |||
| GW-ST/40 | 1.57 | |||
| GW-ST/50 | 1.97 | |||
| GW-ST/60 | 2.36 | |||
| GW-ST/70 | 2.76 | |||
| GW-ST/80 | 3.15 | |||
| GW-ST/90 | 3.54 | |||
| GW-ST/100 | 3.94 |
*Parameters such as density, thickness and width can be customized according to project requirements. Higher density improves mechanical strength and fire resistance, while lower density is suitable for cost-sensitive insulation applications.
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