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Help CenterGalvalume Steel Surface PU Metal Wall Panel 50mm Thick Outside Waterproof Insulation
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As a leading manufacturer from Hemaokang Steel (Shandong) Co., Ltd., we present our Galvalume Steel Surface PU Metal Wall Panel with 50mm thickness, designed to deliver outstanding waterproofing and thermal insulation for exterior building walls. Our factory, established in 2025 with an annual export value exceeding US$50 million, serves global markets including North America, Europe, and Southeast Asia. This product combines the corrosion resistance of Galvalume steel with the high-efficiency insulation of polyurethane (PU) foam, ensuring long-lasting performance and energy savings for commercial and industrial projects.
Key Features & Technical Specifications
- Superior Waterproofing: The continuous Galvalume steel surface acts as a robust barrier against rain and moisture, with interlocking joints designed to prevent water ingress.
- Thermal Insulation: PU foam core with density 40–60 kg/m³ provides excellent thermal resistance (R-value approx. 0.023 W/mK), reducing heating and cooling costs by up to 30%.
- Lightweight yet Strong: At 50mm thickness, panels weigh only 10–12 kg/m², easy to handle and install without sacrificing structural integrity.
- Corrosion Resistance: Galvalume coating (Al-Zn alloy) offers 2–4 times better corrosion resistance than traditional galvanized steel, ideal for coastal or humid environments.
- Fire Safety: Optional fire-retardant PU core (class B1 or A2 available upon request) meets building code requirements.
- Aesthetic Versatility: Available in various colors (RAL ranges) and surface textures (embossed, smooth, wood grain) to match architectural designs.
- Eco-Friendly: PU foam is CFC-free, recyclable, and contributes to LEED certification points.
| Parameter | Value |
|---|---|
| Panel Thickness | 50 mm (±1 mm) |
| Steel Thickness (outer) | 0.4–0.8 mm (customizable) |
| Panel Width | 1000 mm (effective cover 950 mm) |
| Length | Custom up to 12,000 mm |
| PU Core Density | 40–60 kg/m³ |
| Thermal Conductivity (λ) | ≤0.023 W/m·K |
| Fire Rating | Class B2 standard; B1/A2 optional |
| Water Absorption | <2% by volume (PU core sealed) |
| Load Capacity | Up to 1.5 kN/m² (wind load) |
Production & Quality Assurance
Our panels are manufactured in Shandong, China, using continuous lamination technology under ISO9001 certified processes. Every batch undergoes rigorous testing for dimensional accuracy, adhesion strength, and thermal performance. The Galvalume steel surface is pre-treated with anti-corrosion primer to ensure long-term adhesion of the PU foam.
Why Choose Hemaokang Steel?
- Global Supply Capability: With an annual export value of US$50–100 million and a team of 51–100 skilled professionals, we deliver consistent quality and timely shipments to over 20 countries.
- Customization Flexibility: From color to length to core density, we adapt to your project specifications with no minimum order quantity restrictions for custom designs.
- Competitive Pricing: Direct factory pricing eliminates middlemen, offering you cost savings of 15–20% compared to European or American brands while meeting similar standards.
- After-Sales Support: Technical documentation, installation guidance, and responsive customer service ensure smooth project execution.
Frequently Asked Questions (FAQ)
Q1: What is the typical lifespan of these panels?
A1: Under normal conditions, the Galvalume steel surface and PU core provide a service life of 25–30 years, with proper maintenance. The corrosion-resistant coating significantly extends durability in harsh environments.
Q2: Are the panels suitable for interior walls as well?
A2: While designed primarily for exterior walls due to waterproof features, they can also be used for interior partitions requiring thermal or acoustic insulation. For interior use, we recommend a thinner variant (30–40 mm) for cost optimization.
Q3: Do you provide fire test certificates?
A3: Yes, we offer standard test reports for class B2 fire rating. Class B1 and A2 certifications are available upon request and may affect lead time and pricing.
Q4: How are the panels installed?
A4: Panels can be installed horizontally or vertically using concealed clips or exposed fasteners, depending on design preference. We supply installation manuals and online video guidance.
Q5: Can I get a sample before bulk order?
A5: Absolutely. Sample panels (200×200 mm) can be shipped within 5–7 working days. Sample cost is deducted from the first bulk order.
Q6: What colors are available?
A6: Standard RAL colors like 9002 (white), 5017 (blue), 3003 (red), 7016 (gray), and many others. Custom color matching is possible with a minimum of 500 m² per order.
Q7: Is the PU foam environmentally friendly?
A7: Yes. Our PU foam is CFC-free, HCFC-free, and contains recycled content. The panels contribute to green building certifications like LEED.
Q8: What is the packaging for export?
A8: Panels are packed in wooden crates with protective foam spacers to prevent damage during transit. Standard sea freight packaging meets ISPM-15 requirements.
Partner with a reliable manufacturer that puts quality first. Since our establishment in 2025, Hemaokang Steel has served clients across 6 continents, delivering over 2 million square meters of insulated panels annually. Our ISO9001 certification and dedicated team ensure that every panel meets your expectations. Contact us today for a competitive quote or technical consultation.
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