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Help Center1.5mm Steel Face Metal Exterior Wall Sandwich Panel With Rockwool Core for Fireproofing
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Hemaokang Steel (Shandong) Co., Ltd. is proud to present our premium 1.5mm Steel Face Metal Exterior Wall Sandwich Panel with Rockwool Core, designed for superior fireproofing and thermal insulation. As a trusted manufacturer established in 2025 with an annual export value of US$50–100 million, we deliver high-quality building materials to global markets. This panel combines robust steel faces with dense rockwool core, offering unmatched fire resistance, durability, and energy efficiency for commercial and industrial projects.
Our panels are engineered to meet the demanding requirements of modern construction, providing excellent structural integrity and long service life. The 1.5mm thick steel face ensures strong impact resistance and weatherproof performance, while the rockwool core delivers outstanding sound absorption and non-combustible fire protection. Whether you are building a warehouse, factory, office, or cold storage facility, this exterior wall panel is the ideal solution for safety and sustainability.
Key Features & Benefits
- Fireproof Safety: Rockwool core is non-combustible, meeting Class A1/A2 fire rating standards, providing critical passive fire protection.
- High Strength: 1.5mm thick steel face panels offer excellent load-bearing capacity and resistance to deformation.
- Thermal Insulation: Rockwool core effectively reduces heat transfer, lowering energy costs for heating and cooling.
- Soundproofing: Dense mineral wool significantly reduces noise transmission, ideal for noise-sensitive environments.
- Weather Resistance: Outer steel surface is coated with anti-corrosion treatment, suitable for harsh outdoor conditions.
- Easy Installation: Lightweight design with interlocking joint system allows quick assembly, saving labor costs.
- Eco-Friendly: Rockwool is made from natural basalt and recycled materials, fully recyclable at end of life.
- Customizable: Available in various thicknesses, widths, colors, and lengths to meet project specifications.
Technical Specifications
| Parameter | Value |
|---|---|
| Face Material | Galvanized Steel / Prepainted Steel (optional) |
| Face Thickness | 1.5 mm |
| Core Material | Rockwool (Density 80–150 kg/m³) |
| Overall Thickness | 50mm, 75mm, 100mm, 120mm, 150mm (custom) |
| Effective Width | 1000mm / 1150mm (custom) |
| Length | Up to 12000mm (custom lengths available) |
| Fire Rating | A1 / A2 (non-combustible) per EN 13501-1 |
| Surface Coating | PVDF, HDP, or Polyester (optional) |
Our manufacturing process adheres to strict quality control standards, and the product is certified under ISO9001 quality management system. Each panel undergoes rigorous testing for dimensional accuracy, adhesive strength, and fire performance. The rockwool core is produced using advanced technology to ensure uniform density and optimal insulation properties.
Trusted by Global Clients
Hemaokang Steel (Shandong) Co., Ltd. has been serving customers across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East since 2025. With a dedicated team of 51–100 employees and annual export turnover exceeding US$50 million, we have built a strong reputation for reliability and product excellence. Our main markets include both domestic and international projects, from large-scale industrial complexes to modern commercial buildings.
We are committed to providing competitive pricing, timely delivery, and professional after-sales support. Our technical team can assist with custom panel design, load calculations, and installation guidance. By choosing our 1.5mm steel face rockwool sandwich panel, you invest in a fireproof, energy-efficient, and long-lasting building envelope that meets the highest safety standards.
Contact us today for a quotation or to discuss your specific project requirements. Let us be your reliable partner in building safety and performance.
Frequently Asked Questions
Q1: What is the fire rating of this rockwool sandwich panel?
The rockwool core is non-combustible, achieving Class A1/A2 fire rating according to EN 13501-1. It provides excellent passive fire protection for buildings.
Q2: Can the panel thickness be customized?
Yes, we offer overall thickness options from 50mm to 200mm, and custom thicknesses are available upon request to meet specific insulation or structural requirements.
Q3: Is the steel face anti-corrosion treated?
Yes, the steel face is made from galvanized steel (Z275 or higher) with optional anti-corrosion coatings such as PVDF or HDP, ensuring long-term weather resistance in harsh environments.
Q4: What is the typical installation method?
The panels use a tongue-and-groove or hidden fastening system, allowing for quick and secure installation. We provide detailed installation manuals and technical support.
Q5: Are there color options available?
Yes, we offer a wide range of RAL colors. Custom color matching is also available for large orders. Please contact us for a color chart.
Q6: How does this panel compare to PUR/PIR foam panels in terms of fire safety?
Rockwool is inherently non-combustible, while PUR/PIR foam panels typically have lower fire resistance. For applications requiring strict fire codes, rockwool core panels are the preferred choice.
Q7: What is the maximum length of a single panel?
Standard maximum length is 12 meters, but longer panels can be produced for special projects. Please consult with our sales team for feasibility.
Q8: Do you provide samples before bulk order?
Yes, we can provide small samples for quality evaluation. The sample cost will be deducted from the final order. Shipping charges apply.
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