Glass Wool Panel

Fireproof: Glass wool is a non-combustible material, and the sandwich panel has good overall fireproof performance.

Corrosion resistance: The metal panel has been treated with anti-corrosion, has strong corrosion resistance, and extends its service life.

Health: Glass wool is an inorganic material and does not contain harmful substances.

Beauty: The panel color and surface treatment are diverse, meeting the aesthetic requirements of different architectural styles.

Economical and practical: Superior comprehensive performance, long service life, low maintenance cost, and high cost performance.



Product Details

Product Introduction

The glass wool sandwich panel is a highly versatile building material with multiple benefits. Its remarkable thermal insulation suits energy-efficient construction by regulating indoor temps to cut energy use. Superior fireproof performance ensures safety in residential/commercial settings, while excellent acoustic insulation reduces noise for offices, studios, schools and other noise-sensitive places.


Product Specifications

Product name

glass wool sandwich panel

Effective width

Wall panel: 950mm/1000mm/1150mm

Roof panel :1000mm

Thickness

50mm, 75mm, 100mm, 150mm, 200mm

Length

Less than 11.8m

Density

64 KG/m3

Steel sheet thickness

0.4-0.7mm

Thermal Conductivity

<0.023

Color

RAL

Fireproof Grade

White, gray, crimson, silver, sea blue, customized

Application

Sandwich Panel for Steel Strucure

Features

Soundproof, Waterproof, Heat insulation, Seismic Resistance

 

Product Details

Panel: color-coated panel, galvanized steel plate, stainless steel plate

Standard colors: white gray / crimson / silver / sea blue, etc.

Recommended coating: PVDF / SMP / HDP / PE

Production process: unwinding, pressing, laying, double-track curing molding, drying board cooling, stacking, packaging


Quality Assurance

Our company owns a top-tier material testing center laboratory. Equipped with over 30 units of professional-grade equipment, the lab serves dual purposes: comprehensively testing the properties of raw materials, auxiliary components, and finished products in the enclosure system, while supporting new product R&D. All tasks comply with international standard specifications to ensure high-quality outcomes.

Glass Wool Panel

A glass wool panel is a high-performance thermal and acoustic insulation solution widely used in construction, HVAC systems, cleanrooms, prefabricated buildings, and industrial facilities. Manufactured using molten glass fibers bonded with thermosetting resins, glass wool panels are renowned for their low thermal conductivity, fire resistance, and sound absorption capabilities. This article provides a detailed technical overview of glass wool panels, including specifications, materials, standards, installation guidelines, and maintenance considerations.


What Is a Glass Wool Panel?

Glass wool panels are prefabricated building elements consisting of a glass wool core sandwiched between protective facing materials such as galvanized steel, aluminum, or coated steel sheets. They are designed to offer:

  • Thermal insulation

  • Soundproofing

  • Fire resistance

  • Structural rigidity

  • Moisture resistance

These panels are typically used in wall, ceiling, and roof applications for both interior and exterior environments.


Key Materials and Construction

1. Core Material: Glass Wool

  • Composed of silica sand and recycled glass

  • Fiber diameter: 5–8 microns

  • Density: 24–96 kg/m³ depending on usage

  • Fire rating: Non-combustible (Class A1 per EN 13501-1)

2. Surface Skin Options

  • Pre-painted galvanized steel (PPGI)

  • Aluminum-zinc coated steel

  • Stainless steel (optional for cleanrooms or food-grade use)

3. Adhesive Layer

  • Heat-resistant thermosetting resin to bond core and face material


Technical Specifications

ParameterValue Range / Standards
Thermal Conductivity0.032–0.040 W/m·K
Sound Absorption CoefficientNRC 0.75–0.90 (ASTM C423)
Fire ClassificationEN 13501-1 Class A1 (non-combustible)
Panel Thickness50 mm / 75 mm / 100 mm / 150 mm
Width950–1200 mm
LengthUp to 12 meters (customizable)
Compressive Strength≥ 25 kPa (ISO 844)
Water Absorption< 1% by volume (EN 1609)

Engineering and Application Benefits

Thermal Efficiency

Glass wool panels maintain consistent indoor temperatures by minimizing heat transfer through walls or ceilings. This reduces HVAC loads and energy costs significantly in industrial and commercial buildings.

Acoustic Insulation

Due to the porous structure of glass fibers, these panels effectively absorb sound waves, making them ideal for environments requiring noise control, such as auditoriums, factories, and machinery rooms.

Fire Safety

Glass wool is inherently non-combustible. Panels meet stringent fire safety codes in the EU, US, and Asia, often required in petrochemical plants, power substations, and high-occupancy buildings.

Lightweight and Easy to Handle

Despite their strong insulation properties, glass wool panels are lightweight and suitable for rapid on-site installation in prefabricated modular buildings.


Regulatory and Industry Standards

Glass wool panels must comply with the following global standards:

  • EN 13162: Thermal insulation products for buildings — Factory-made mineral wool (MW) products

  • EN 13501-1: Fire classification of construction products

  • ASTM C423: Standard Test Method for Sound Absorption

  • ISO 14001: Environmental management systems

  • REACH / RoHS: Compliance for health and environmental safety


Installation Guidelines

Pre-Installation Checklist

  • Verify panel integrity and dimensions on-site

  • Ensure dry storage to avoid moisture penetration

  • Use approved lifting devices to prevent deformation

Mounting Procedure

  1. Structural Framing: Ensure supporting steel structure meets load-bearing standards.

  2. Sealing: Use non-hardening sealants at joints to maintain airtightness and thermal continuity.

  3. Fastening: Self-drilling screws and concealed joint systems recommended.

  4. Finish: Apply protective trim or flashings at edges and corners.

Safety Precautions

  • Wear protective clothing and masks during cutting or handling

  • Avoid high-moisture environments during installation

  • Comply with local occupational safety regulations


Applications

  • Industrial Warehouses

  • Cold Storage Units

  • Cleanroom Facilities

  • HVAC Ducting

  • Modular Buildings

  • Soundproof Partitions


Frequently Asked Questions (FAQ)

Q1: Is glass wool hazardous to health?

A: Modern glass wool meets bio-solubility standards and is safe when handled using proper PPE. It is non-toxic and non-carcinogenic per WHO classifications.

Q2: Can these panels be used outdoors?

A: Yes, when equipped with corrosion-resistant facing and properly sealed, glass wool panels are weather-resistant and suitable for external walls and roofs.

Q3: What’s the service life of glass wool panels?

A: Typically 25–30 years with proper installation and maintenance. They do not degrade under normal operating conditions.

Q4: How do they perform in humid environments?

A: While glass wool is hydrophobic by nature, exposure to direct water or prolonged high humidity should be avoided without protective vapor barriers.


Maintenance Recommendations

  • Periodically inspect joints for sealant deterioration

  • Avoid mechanical damage or pressure on panel surfaces

  • Clean external surfaces with non-abrasive solutions

  • Replace damaged sections to maintain insulation integrity


Conclusion

Glass wool panels represent a high-performance, compliant, and eco-friendly solution for thermal and acoustic insulation in modern construction. Their versatility in wall, ceiling, and roofing systems makes them suitable across a range of industries, from pharmaceuticals to logistics centers.


Call to Action

We offer expert consultation and tailored technical solutions for selecting and integrating glass wool panels in your projects. For detailed product specifications, CAD drawings, or pricing inquiries, contact our engineering support team today.

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