In March 2026, GNEE successfully produced and shipped a new order of 270 t of 3105 aluminum corrugated sheets to Mauritania. The client will use these sheets primarily for roofing and wall cladding in local construction projects.
Mauritania has a challenging climate. The region faces high temperatures, intense UV exposure, frequent sandstorms, and high salinity in coastal areas. Traditional galvanized steel roofing often rusts and degrades quickly under these conditions. To solve this problem, the client required a material with higher corrosion resistance and a longer service life.The client selected 3105 aluminum alloy, which ensures reliable performance in harsh marine and desert environments while effectively reducing the building's weight.
What are 3105 aluminum corrugated sheets?
The 3105 aluminum alloy belongs to the 3000 series (Al-Mn). It is widely used in the building materials industry because it offers a great balance of strength, weather resistance, and workability.
Here is why 3105 aluminum is ideal for this market:
- Excellent Corrosion Resistance: It naturally resists rust and salt damage, performing much better than standard galvanized steel in coastal zones.
- Good Formability: The material is easy to bend and roll-form into various corrugated profiles without cracking.
- Stable Mechanical Strength: It provides reliable wind and impact resistance for standard roofing applications.
- Strong Coating Adhesion: It is an excellent base for pre-painted sheets (as a PPGI alternative). Paint sticks well to the surface, meaning PE or PVDF color coatings will not peel off easily under strong sunlight.
3105 Aluminum Corrugated Sheet Specifications
Below are the main specifications of the 3105 aluminum corrugated sheets we supply. This data can be directly referenced for your project planning:
| Category | Item | Details |
|---|---|---|
| Basic Info | Alloy Grade | 3105 (3000 Series Al-Mn Alloy) |
| Temper | H14 / H16 / H18 | |
| Application Environment | Coastal areas, high-temperature deserts, industrial zones | |
| Surface & Profile | Surface Options | Mill Finish / Color Coated (PE / PVDF) |
| Corrugation Types | Trapezoidal / Wave / Customized Profiles | |
| Dimensions | Thickness | 0.3 – 1.2 mm |
| Width | 600 – 2600 mm | |
| Length | 1000 – 12000 mm | |
| Coating | Coating Thickness | PE ≥18μm / PVDF ≥25μm |
| Color | RAL Color Card Customization |
Order Specification Details
Thickness: 0.7 mm
Width (before corrugation): 1250 mm
Length: 12,000 mm
Alloy: 3105
Temper: H14
Application: Aluminum Roofing sheets
Where Are 3105 Aluminum Corrugated Sheets Used in Mauritania?
In Mauritania, the climate involves strong sun, sand, and coastal salt. 3105 corrugated aluminum is used in everyday construction projects where durability is necessary. Common applications include:
- Residential and Commercial Roofing: Used for everyday homes, local shops, and market roofs to provide long-lasting weather protection.
- Industrial Warehouse Cladding: Installed as exterior wall panels and roofs for storage facilities and light manufacturing plants.
- Coastal Buildings: Sourced heavily for structures built near the Atlantic coast, where standard steel rusts quickly from salt spray.
- Temporary Housing and Infrastructure: Used for construction site offices and worker camps because it is light, easy to transport, and quick to install.
- Agricultural Buildings: Used for farm storage sheds and livestock shelters. The metal reflects sunlight, which helps keep the inside temperature lower during hot days.
Why Choose Aluminum Instead of Galvanized Steel?
| Feature | Aluminum (3105) | Standard Galvanized Steel | Benefit for the Buyer |
| Corrosion Resistance | Does not rust (15–25 year lifespan) | Rusts quickly in coastal/salty areas | Lower maintenance and replacement costs |
| Material Weight | Very lightweight | Heavy | Cheaper building framework; cheaper transport |
| Heat Reflection | High (reflects UV and solar heat) | Low (absorbs heat) | Keeps indoor spaces cooler; saves energy |
GNEE Manufacturing Process
We follow a standard, efficient manufacturing route to turn raw aluminum into finished roofing sheets:
| Step | Production Stage | Description |
| 1 | Rolling | Hot rolling followed by cold rolling to reach the exact target thickness. |
| 2 | Tension Leveling | Flattens the aluminum coil to ensure the final sheets have no wave defects. |
| 3 | Surface Cleaning | Removes rolling oils and dirt to prepare the surface. |
| 4 | Color Coating | Applies PE or PVDF paint (if the client orders pre-painted sheets). |
| 5 | Corrugation Forming | Cold roll-forming the flat sheet into trapezoidal, wave, or custom profiles. |
Quality Control
Before loading the containers for shipment to Mauritania, GNEE's quality control team conducts the following tests. This ensures you receive exactly what you ordered:
| Inspection Item | Testing Purpose |
| Thickness & Width Testing | Ensures the dimensions match the agreed order tolerances. |
| Coating Adhesion Test | Verifies that the paint will not peel off or crack under strong UV exposure. |
| Salt Spray Test | Confirms the material's anti-corrosion performance for coastal environments. |
| Mechanical Properties | Checks yield strength and tensile strength so the roof can handle wind loads. |
| Surface Quality Check | Visual inspection to guarantee no cracks, oil stains, or scratches on the finished product. |
If you are planning a project in Mauritania or a similar environment, contact our sales team. Please send us your required thickness, width, profile type, and order quantity, and we will provide a clear, competitive quotation.
Testing and Certification
We maintain full traceability for every order, from the raw aluminum material to the final loaded container. Every shipment of our 3105 aluminum corrugated sheets comes with official documentation.
If your project requires third-party verification, we fully support inspections before loading.
| Certification & Testing | Details |
| Mill Test Certificate (MTC) | Provided with every order. Shows chemical composition and mechanical properties. |
| Production Standards | Complies with ASTM B209, EN 485, and GB/T 3880. |
| Third-Party Inspection | Available upon request (SGS, BV, TUV). |
| Traceability | Full tracking from raw material to final shipment. |
Packaging and Logistics
Shipping metal from China to Mauritania takes time. The cargo is exposed to ocean moisture and multiple handling stages. To prevent water damage, white rust, or bent edges, GNEE uses strict seaworthy export packaging.
Here is the packaging and loading data you can use to calculate your shipping costs:
| Logistics Item | Standard Specifications |
| Export Packaging | Seaworthy wooden pallets, moisture-proof kraft paper, PVC film protection, edge protectors, steel strapping. |
| 20FT Container Loading | 15 to 22 tons per container (depends on weight limits of the destination port). |
| 40FT Container Loading | 22 to 26 tons per container. |
| Departure Ports | Qingdao / Tianjin / Shanghai |
| Production Lead Time | 15 to 30 days after deposit confirmation. |
How the Mauritania Client Verified Our Factory
Before placing their bulk order, the Mauritanian client needed to ensure we were a real and capable factory.
We arranged for the client to visit our factory, where we showcased our production lines and warehouse inventory.
- Technical Consultation: Our team provided direct advice on selecting the right alloy (3105) and coating thickness for their coastal environment.
- Sample Testing: We sent physical samples of the corrugated sheets to Mauritania so the client could test the quality locally before paying the deposit.
This open communication process built trust quickly and allowed the buyer to confirm the order with confidence.
Why Choose GNEE for Your Aluminum Imports?
| GNEE Company Facts | What This Means for You |
| 18+ Years Export Experience | We know how to handle customs documents, shipping, and local market requirements. |
| Global Reach | We have active customers in over 70 countries. |
| Stable Supply Capacity | We output over 20,000 tons per year, ensuring your project will not face material shortages. |
| Flexible Service | We offer flexible Minimum Order Quantities (MOQ) and multi-size customization in one container. |
If you are importing aluminum corrugated sheets for your construction or roofing business, GNEE is ready to support your supply chain.
Send your inquiry to our sales team today. Please include your required alloy (e.g., 3105), thickness, width, profile type, and estimated quantity. We will reply promptly with complete technical datasheets and a clear price.
