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Help CenterMetal Wall Panel for Construction Site Prefab House With Rust-Proof Coating
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Hemaokang Steel (Shandong) Co., Ltd. takes pride in manufacturing Metal Wall Panel for Construction Site Prefab House with Rust-Proof Coating. As a company newly established in 2025 with an annual export value ranging from US$50 million to US$100 million, we are committed to delivering reliable, durable and cost-effective wall panel solutions for prefabricated housing projects around the world. Our metal wall panels are engineered to withstand tough construction site conditions, offering excellent corrosion resistance, easy installation and long-term structural performance. With a dedicated team of 51-100 professionals and strong export experience to North America, South America, Europe, Asia, Africa and Oceania, we ensure that every panel meets international standards and customer expectations.
Our metal wall panels are manufactured using high-quality galvanized steel or color-coated steel sheets, featuring a special rust-proof coating that protects the surface from moisture, chemicals, UV radiation and mechanical damage. Whether you need temporary site offices, worker dormitories, storage units or permanent modular buildings, these panels provide excellent thermal insulation, sound reduction and aesthetic appeal. We offer a wide range of thicknesses, widths, colors and core materials so you always get the exact panel that matches your project requirement and budget. All panels can be customized in length, embossing pattern, fastening system and edge detail to suit the specific prefab house design.
Key Features and Benefits
- Excellent rust-proof performance – Coated with anti-corrosion paint layers (polyester, PVDF or HDP optional) that ensure long service life even in high-humidity or coastal environments.
- High structural strength – Made from cold-rolled galvanized steel with high tensile strength, capable of resisting wind loads, seismic forces and impact damage on site.
- Good thermal insulation – Optional EPS, rock wool or PU foam core significantly reduces heat transfer, lowering energy costs for air conditioning or heating inside the prefab house.
- Quick and simple installation – Panels are designed for lightweight handling and can be fixed with screws, hooks or concealed joints, reducing labor time and installation complexity.
- Fire-resistant option – Rock wool core panels offer non-combustible behavior with fire-resistant properties, ideal for demanding construction site safety regulations.
- Versatile design – Available in flat, corrugated, or embossed surfaces with various colors to match both temporary and permanent architectural aesthetics.
- Water and airtight sealing – Specially designed tongue-and-groove or overlapping joints prevent water leakage and wind penetration.
- Eco-friendly and recyclable – Metal panels are 100% recyclable and the manufacturing process is designed with sustainable practices.
- Low maintenance requirement – The rust-proof coating reduces the need for frequent painting or repairing, saving long-term maintenance costs.
Technical Specifications (Typical Values)
| Parameter | Standard Option | Customization |
|---|---|---|
| Base steel thickness | 0.4mm / 0.5mm / 0.6mm | 0.3mm – 1.2mm |
| Panel width (effective) | 950mm / 1050mm | 900mm – 1200mm |
| Panel length | 2000mm – 4000mm | Custom cut |
| Core material | EPS (density 12kg/m³) | Rock wool / PU foam |
| Surface coating | Polyester (PE) 20-25μm | PVDF / HDP / embossed finish |
| Color options | White, gray, blue, beige | All RAL colors |
| Thermal transfer coefficient (U-value) | 0.5 – 0.8 W/m²K (with core) | Depends on core thickness |
| Fire rating | EPS core: ordinary | Rock wool core: fire-resistant |
Production and quality assurance: Our wall panels are produced under the strict quality control system certified with ISO9001. Each batch is tested for dimension accuracy, coating adhesion, corrosion resistance and load-bearing capacity before packing. We have built a complete production line including coil slitting, roll forming, lamination, cutting, stacking and packing. With an annual export value of US$50-100 million, our factory in Liaocheng, Shandong, China, has established reliable supply chains for steel coils and core materials, ensuring fast production and stable quality.
Application scenarios: These metal wall panels are widely used in prefab houses, modular offices, site dormitories, security booths, guard houses, portable toilets, storage shelters and temporary medical rooms. They can be installed as external siding or internal partition walls. The panels are compatible with light steel frame structures, container houses and traditional prefabricated building kits. Thanks to the rust-proof coating, they are especially suitable for construction sites located in coastal areas, tropical climates or high-rainfall regions. The panels maintain a clean and tidy appearance without fading or peeling, giving any prefab building a professional finish.
Packing and shipping: Panels are stacked in steel pallets or wooden crates, with foam and plastic film protecting the coated surfaces. Standard container loading allows 900-1200 square meters of panel per 20ft container, depending on thickness and profile. Our port of shipment is Qingdao, well connected to global routes and conveniently located for fast loading. We offer flexible shipping arrangements including FOB, CIF and CFR terms.
Frequently Asked Questions
Q1: What is the minimum order quantity (MOQ)?
Our MOQ is 500 square meters for standard sizes and colors. For custom colors or special core materials, MOQ may be slightly higher. We welcome trial orders for small projects and will provide samples before mass production.
Q2: Can you cut the wall panel to exact lengths?
Yes, we can cut panels according to your drawings. Lengths can be customized from 500mm up to 6000mm. Please mention the exact dimensions in your inquiry so we can optimize production and avoid waste.
Q3: What colors are available?
Our standard colors are white, gray, blue and beige. If you need a specific architectural color, we can match RAL codes. Custom coating available upon request with reasonable lead time.
Q4: What is the difference between EPS, rock wool and PU foam core?
EPS core is lightweight and economical, suitable for ordinary insulation. Rock wool core offers better fire resistance and sound insulation. PU foam core provides the highest thermal insulation per unit thickness and is ideal for cold areas where energy efficiency is a priority.
Q5: Are these panels suitable for permanent buildings?
Yes, with the proper core material and structural design, these metal wall panels can be used for permanent modular houses, guard stations and agricultural buildings. They have a projected service life of 15-25 years depending on environment and maintenance.
Q6: How do I install the panels?
Installation is straightforward. Panels can be fixed to steel purlins using self-tapping screws with washers, or connected through the tongue-and-groove edges. Detailed installation drawings and instructions are available for each order. Our team also provides remote support by video call.
Q7: What quality certificates do you have?
Our factory is ISO9001 certified. All products undergo internal quality testing. Additional customer-specific certificates can be provided as per market requirements, but should be confirmed at the time of inquiry.
Q8: Can I get samples before placing a bulk order?
Certainly. We offer free samples (200mm x 300mm) with clients covering the courier cost. For bulk order samples, we can send a full-length panel with freight prepaid after negotiation.
Why choose Hemaokang Steel? As a new yet highly energetic manufacturer, we combine modern equipment, rigorous testing procedures and an export-oriented mindset to provide our clients with cost-effective products and responsive service. Our annual export value of US$50-100 million represents our capability to handle large orders on schedule. Backed by a team of 51-100 employees, we are dedicated to delivering quality on time. Located in Liaocheng, Shandong, we enjoy convenient access to raw material suppliers and the Port of Qingdao, enabling efficient logistics. We serve markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Asia, Western Europe, Central America, Northern Europe, Southern Europe and South Asia. We are confident that our metal wall panels will add lasting value to your prefab house construction projects. Contact us today for a quotation or further project consultation.
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