PU Sealing Glass Wool Fireproof Board

Product Introduction

The glass wool sandwich panel is a highly versatile building material prized for multiple advantages. Its remarkable thermal insulation capabilities make it a go to for energy efficient construction, helping buildings conserve energy by regulating indoor temperatures. Its superior fireproof performance offers peace of mind, safeguarding both residential households and bustling commercial establishments. Additionally, its excellent acoustic insulation properties effectively reduce noise, making it an ideal option for noise sensitive environments such as offices, studios, and schools.

Product Specifications

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

The company has a first - class material testing center laboratory equipped with over 30 pieces of professional equipment. It serves two main purposes. One, it comprehensively tests the properties of raw materials, auxiliary materials, and finished products related to the enclosure system. Two, it aids in new product research and development. All operations follow international - standard specifications to ensure high - quality outcomes.

PU sealing glass wool fireproof boards represent an advanced composite material widely used in construction and industrial applications for fire protection and thermal insulation. This article offers a detailed technical analysis of PU sealing glass wool fireproof boards, covering material composition, engineering principles, relevant industry standards, installation guidelines, and safety considerations. The content is designed to support professionals seeking high-performance, compliant fireproof solutions.

What is a PU Sealing Glass Wool Fireproof Board?

A PU sealing glass wool fireproof board is a multi-layered panel combining:

• Glass Wool Core: A fibrous, non-combustible insulation material made from molten glass fibers. Known for its excellent thermal and acoustic insulation, as well as fire resistance.

• PU (Polyurethane) Sealing Layer: A sealing or binding layer of polyurethane applied to enhance panel integrity, waterproofing, and surface smoothness.

• Facings: Protective outer layers (typically aluminum foil, metal sheets, or specialized coatings) that protect the core and facilitate installation.

The integration of PU sealing enhances the mechanical stability and environmental resistance of the glass wool core, improving overall fireproof performance.

Key Technical Features and Material Properties

1. Fire Resistance

• Glass wool is inherently non-combustible with a melting point exceeding 1000°C, providing superior fire barrier properties.

• PU sealing acts as a protective sealant, preventing moisture ingress and degradation while maintaining fire retardancy.

• Fire resistance rating can reach A1 or A2 class according to EN 13501-1 standards, suitable for high-risk fire zones.

2. Thermal Insulation

• Glass wool has low thermal conductivity, typically ranging between 0.032 to 0.040 W/m·K, allowing excellent energy-saving performance.

• Panels can achieve thermal resistance values tailored by thickness, e.g., a 50mm board typically provides R-values of approximately 1.25 to 1.5 m²·K/W.

• PU sealing minimally affects insulation while enhancing durability.

3. Acoustic Performance

• Glass wool offers high sound absorption coefficients, reducing noise transmission in buildings and industrial facilities.

• PU sealing does not compromise acoustic properties and improves surface uniformity.

4. Moisture Resistance and Durability

• The PU sealing layer significantly reduces moisture absorption, preventing mold growth and material degradation.

• The board maintains dimensional stability even in humid or variable environmental conditions.

Industry Standards and Compliance

• EN 13501-1: Classification of fire performance for construction products.

• ASTM E84: Surface burning characteristics test.

• ISO 9001: Quality management for production.

• ASTM C553: Standard specification for mineral fiber blanket thermal insulation.

• Compliance with local fire safety codes and building regulations is mandatory.

Engineering Principles and Installation Guidelines

1. Structural Integration

• Boards must be installed on suitable supporting structures capable of withstanding environmental loads.

• Mechanical fixings and adhesives used should be compatible with PU and glass wool materials.

2. Installation Best Practices

• Cut boards carefully to maintain integrity of the PU sealing and glass wool core.

• Overlapping and sealing joints with fire-resistant tapes or sealants ensure airtightness and fire continuity.

• Protect panels during installation from water exposure until fully sealed.

3. Safety and Handling

• Use PPE such as gloves, masks, and eye protection to prevent irritation from glass fibers.

• Ensure adequate ventilation during installation to minimize dust inhalation.

Performance Data and Practical Examples

• Fireproof boards with a thickness of 50-100mm typically sustain fire exposure for 60 to 120 minutes without structural failure.

• Thermal insulation performance contributes to significant reductions in HVAC energy consumption.

• Acoustic testing shows sound transmission class (STC) improvements of up to 45 dB in wall assemblies using these boards.

Frequently Asked Questions (FAQs)

Q1: Are PU sealing glass wool fireproof boards suitable for exterior applications?
A1: Yes, when properly sealed and protected, these boards are suitable for exterior cladding and facade insulation.

Q2: How do these boards compare to traditional fireproofing materials?
A2: They offer superior combined fire resistance, thermal insulation, and moisture protection compared to conventional mineral wool boards without sealing.

Q3: Can the PU sealing layer degrade over time?
A3: High-quality PU sealants are UV-resistant and durable; however, routine inspection and maintenance extend service life.

Q4: What are the environmental considerations?
A4: Glass wool is recyclable and non-toxic; PU sealants are formulated to minimize volatile organic compound (VOC) emissions.

Conclusion and Professional Recommendation

PU sealing glass wool fireproof boards are a technically advanced solution offering high fire resistance, thermal insulation, and durability for demanding construction and industrial environments. Their compliance with rigorous standards and adaptability make them an excellent choice for safety-critical applications.

We advise consulting certified engineers to design and implement fireproof systems integrating PU sealing glass wool boards tailored to specific project requirements and regulations.