Aluminum Corrugated Composite Panel
Ningbo Redfir focuses on the development and application of various new materials such as ceramic metal panels, metal ceilings, ceramic graphene metal panels, wood grain ecological panels, etc, stands out in the field of ceramic metal panels. Redfir leads and formulates more than 30 relevant national standards, becoming a benchmark enterprise leading the development of the industry.
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01
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02
Quality control
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03
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04
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What is Aluminum Corrugated Composite Panel
Aluminum corrugated core composite aluminum plate is also called aluminum corrugated composite board. It is made of AL3003H16-H18 aluminum alloy material. The thickness of the up one is 0.8~1.0mm, the bottom is 0.4~0.5mm, the core is 0.2mm, and its production is fully automated by using ERP System quality management.
Benefits of Aluminum Corrugated Composite Panel
Lightweight
The aluminum corrugated core composite aluminum plate has a unit area of 5kg/m2, so the construction time is shortened during construction, which is very effective. Light weight and reduced building exposure load can extend the life of the building.
Processability
Easy to process and install: easy to process, can be cut, punched, bent, can be made into shaped flat plate, curved plate.
Environmental protection
Aluminum corrugated core composite aluminum plate is easy to clean, easy to maintain, non-toxic, no toxic gas release, and complex environmental protection requirements.
Sound insulation
Since the core plate is a corrugated arc type, a curved surface reflection is generated on the sound wave, and the acoustic wave coupling between the panel and the back plate is eliminated, and the sound insulation performance can be improved by more than 35 db.
Decorative
The aluminum corrugated core composite aluminum plate combines the functions and aesthetics perfectly, solves the shortcomings of the aluminum veneer, makes the appearance more vivid, and greatly enhances the decorative appearance of the building.
Excellent durability
Aluminum corrugated core composite aluminum sheet has stable and durable bonding performance. Because of tensile strength, compressive strength, 180 degree peeling strength is higher than that of honeycomb panel, it has ultra-high surface flatness and easy processing, shortening construction engineering time during construction. To the cost savings. Rich in color, easy to clean and maintain, corrosion resistant, strong anti-fouling ability, durable and no discoloration.
Economical
Light weight, economical, 6mm thick, specific gravity of 4.3kg / m2. Because the heavy load of the face material is small, the structural support keel can be reduced and more economical.
Thermal insulation
The core of the aluminum corrugated core composite aluminum plate is water corrugated, forming an air passage between the panel and the back plate, which is the best product for thermal insulation. Under the action of solar radiation, the air in the channel warms up and carries away heat, which has thermal insulation properties.
In the cold area, the upper and lower ends of the corrugated passage are sealed, and the hot spot rate is minimized due to the characteristics of the closed mechanical structure of the body. Under the sunlight, the stored heat energy reduces the loss of indoor heating heat, and has the heat preservation performance.
Fire resistance
Aluminum corrugated core composite aluminum plate is made of aluminum alloy, has good fireproof performance, fire rating is A2 grade non-combustible products.
Common Classification and Performance Characteristics of Corrugated Aluminum Panels
Single-Layer Corrugated Aluminum Panels
Single-layer corrugated aluminum panels are widely used in interior ceiling decoration, with the most common installation methods being hook-up installation and embedded installation. Hook-up installation is preferred for ceiling engineering decoration due to its sturdy structure, providing robust safety assurance. On the other hand, embedded installation involves embedding the edges of the corrugated aluminum panels into triangular keels. Embedded corrugated aluminum panel ceilings typically use standard panel sizes such as 600*600mm, 600*1200mm, while hook-up installation is usually customized based on on-site grid dimensions.
Single-layer corrugated aluminum panels also have two forms of use in wall decoration: hook-type and embedded-type. Embedded wall corrugated aluminum panels use the same installation method as conventional ceilings, being embedded into triangular keel slots. In contrast, hook-type installation involves carving hook holes at the edges of the corrugated aluminum panels and directly hanging them on keel connectors.
Double-Layer Corrugated Aluminum Panels
Double-layer corrugated aluminum panels are primarily used for exterior wall or interior wall decoration in buildings. Typically, angle codes are pre-installed on the corrugated aluminum panels, and during installation, these angle codes are fixed onto the keels. However, for interior ceiling decoration, hook-up installation methods are still commonly used.
Corrugated aluminum panels can also undergo perforation design processing, which enables them to possess excellent sound absorption performance. Perforated sound-absorbing corrugated aluminum panels are widely used in public venues such as sports stadiums, theaters, conference centers, libraries, etc.
Common Specifications of Corrugated Aluminum Panels
The total thickness of corrugated aluminum panels equals the sum of the panel thickness, aluminum corrugated core thickness, and back panel thickness.
Width: 1020mm, 1250mm, 1550mm, with a maximum size of 2900mm.
Length: Within 6000mm.
Main Performance Characteristics of Corrugated Aluminum Panels
Stable and Durable Bonding Performance
Corrugated aluminum panels typically use high-grade aluminum alloy sheets as base materials, with panel thickness ranging from 0.7mm to 0mm and backplate thickness from 0.5mm to 1.0mm (similar to honeycomb aluminum panels). The water-ripple aluminum honeycomb core uses 3003 aluminum alloy sheets with thicknesses of 0.21mm, 0.25mm, and 0.3mm. The curved bonding surface of the panel and backplate increases bonding strength. Utilizing thermosetting resin adhesives, it exhibits excellent bonding strength comparable to metal composite panels. Produced on advanced fully automated production equipment to ensure stable, durable bonding performance matching the lifespan of buildings.
Energy Saving and Environmental Protection
The water-ripple aluminum honeycomb core of corrugated aluminum panels forms air channels between the panel and backplate, providing excellent thermal insulation. Under solar radiation, the air in the channels warms up and flows upward, carrying away heat, thereby offering thermal insulation properties. In cold regions, sealing the upper and lower ends of the corrugated channels reduces heat loss from indoor heating during daylight, providing insulation.
Sound Insulation and Noise Reduction
The arc-shaped honeycomb core of corrugated aluminum panels reflects sound waves, eliminating coupling of sound waves between the panel and backplate, resulting in sound insulation performance exceeding 35dB.
Ultra-High Flatness of Corrugated Aluminum Panels
With panel thickness ranging from 0.7mm to 1.0mm, the load-bearing capacity of corrugated aluminum panels after folding is relatively low, making them unsuitable for large-area or high-rise curtain wall projects. While honeycomb aluminum panels have good flatness, their higher cost makes them less suitable for engineering use. Corrugated aluminum panels exhibit higher tensile, compressive strength, and 180-degree peel strength compared to honeycomb aluminum panels, resulting in ultra-high surface flatness, stability, durability, matching the lifespan of buildings.
Lightweight Material with High Cost-Performance Ratio
The density of 6.0mm corrugated aluminum panels is only 4.3kg/㎡, reducing the load-bearing requirements for supporting structures, making them more economical.
Easy to Clean, Corrosion Resistant, Strong Anti-Fouling, Color Fastness
Corrugated aluminum panels are easy to clean, resistant to corrosion, with strong anti-fouling properties, and colorfastness.
Simple Processing and Installation of Corrugated Aluminum Panels
They are easy to process, including cutting, perforating, bending, and can be processed into irregular or curved panels. Edge ribs and central reinforcements can be connected using rivets, ensuring simplicity and firmness. Installation can be done using fixed-distance pressure fitting, hanging, open seam, or closed seam structures, ensuring a smooth surface, safety, durability, and artistic appeal in construction.
The integral role of corrugated aluminum panels in green energy solutions
Backsheet material construction: The backsheet acts as a protective layer behind the solar cells, shielding them from environmental elements such as moisture and UV radiation. Corrugated aluminum backsheet panels offer excellent durability and weather resistance.
Encapsulation and junction box manufacturing: Encapsulation protects the solar cells from mechanical damage, moisture ingress, and electrical insulation. Aluminum panels provide robust housing for junction boxes containing electrical connections and components essential for operation.
Frame construction: Frames offer structural support and stability to the modules, ensuring proper alignment and mounting of photovoltaic cells. Aluminum's lightweight yet robust nature makes it an ideal material for this component, as it delivers strength while minimizing weight.
Heat dissipation: Excessive heat can reduce the efficiency and lifespan of solar panels. Hence, they require efficient heat management for optimal performance. Corrugated aluminum's high thermal conductivity effectively dissipates heat away from the solar cells.
Racking systems production: These systems provide the framework for positioning and securing solar panels in optimal orientation and tilt angles to maximize sunlight exposure. Aluminum's strength-to-weight ratio makes it an ideal material for racking systems.
Why are corrugated metal sheets generally round and wavy shaped
Structural Strength
The corrugated, wavy profile gives the metal sheets increased structural integrity and rigidity compared to flat sheets. The curves and ridges add strength and allow the material to span greater distances without sagging or bending.
01
Weatherproofing
The undulating shape helps shed water and snow more effectively than a flat surface. The curves create channels that direct water runoff, reducing the risk of leaks and moisture buildup.
02
Insulation
The pockets and air gaps between the corrugations provide some inherent insulation properties, helping to regulate temperatures and improve energy efficiency in buildings where the sheets are used.
03
Flexibility
The wave-like pattern allows the metal to flex and bend more easily during installation, enabling it to conform to curved surfaces or uneven terrain without cracking or permanently deforming.
04
Aesthetics
The distinctive corrugated appearance is a signature look often associated with certain architectural styles, particularly industrial, agricultural, and rural buildings. The visual pattern can also provide an appealing aesthetic.
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Corrugated Panel Maintenance: Ensuring Longevity And Aesthetics
1. Regular Inspections
Periodic inspections are fundamental to corrugated panel maintenance. Check for signs of damage, such as rust, dents, or loose fasteners. Early detection allows for timely repairs, preventing more extensive issues.
2. Cleaning
Dirt and debris can accumulate on corrugated panels, affecting their appearance and potentially causing corrosion. Regular cleaning with mild detergent and water or a pressure washer helps keep them in top condition.
3. Rust Prevention
Rust is the enemy of corrugated panels, as it weakens the material and affects aesthetics. Apply a rust-inhibiting primer and paint to protect the panels. Regular inspections will help identify areas in need of attention.
4. Fastener Check
Check the fasteners, such as screws or nails, that secure the corrugated panels. Over time, they may become loose due to temperature fluctuations. Tighten or replace any loose fasteners to maintain structural integrity.
5. Sealant Inspection
Sealant around openings, like screws or penetrations, should be inspected for signs of cracking or deterioration. Replace the sealant as needed to prevent leaks and further damage.
6. Panel Replacement
If you notice extensive damage or rust that can't be repaired, consider replacing individual panels or sections. Prompt replacement can prevent the issue from spreading.
7. Protective Coatings
Consider applying protective coatings to corrugated panels to enhance their longevity. These coatings help resist corrosion and maintain the panel's color and finish.
8. Professional Inspections
Engaging a professional inspector periodically can provide a more thorough evaluation of your corrugated panels. They can identify issues you might overlook and recommend appropriate solutions.
9. Gutter Maintenance
Keep gutters and downspouts clean and free from debris to prevent water from backing up and damaging the corrugated panels.
10. Safety Considerations
When performing maintenance tasks, prioritize safety. Wear appropriate protective gear, use ladders or scaffolding, and follow safety guidelines.
Corrugated Panels Need To Be Inspected Often
While all metal roofing or siding should be inspected annually to prevent any problems from developing further, corrugated metal panels generally require more frequent inspections and maintenance.
The reason you need more frequent inspections for corrugated panels is so you can check the fasteners. Since the fasteners are exposed on corrugated panels, they may need to be tightened. They could possibly even need to be replaced if they are damaged to avoid leaks. The natural expansion and contraction of metal can cause the fasteners to become loose.
Homeowners should perform an inspection after any severe weather that you think may have caused damage. Checking on a roof right after a substantial storm, instead of waiting for your next routine maintenance, might save you from a larger problem.
Foam closures should also be checked during inspections to make sure they are still in good condition. Roofs and gutters should also be checked for leaf buildup, and leaf guards should be installed if you’re in an area with a large volume of leaves.
During inspections, also check the corrugated roof for cracked sealant. Sealant is a top reason for roof leaks as it has a short life span and usually isn’t replaced on time. The life expectancy of sealant should be listed on its container and replaced as suggested by the manufacturer.
How are corrugated sheets manufactured
Step 1
Metal sheets are made from metal coils. First, raw material such as aluminium, copper, steel, zinc, etc., are melted to make metal coils. For example, for making stainless steel corrugated sheets, first, stainless steel coils are made. Depending on the application, usage and expected features, the combination of metals change.
Step 2
The metal coils go through a coating process. Although the coating treatment changes suiting the application, many times metal coils are coated with paint and then baked in high temperatures.
Step 3
In the next step, coated metal coils are processed through a roller former. It is here corrugated sheets attain the required design, grade and thickness. Then sheets are cut in specific lengths.
Step 4
The last stage is the quality check. The manufactured sheets undergo quality checks before going to the market.
Our Factory
Over the past 20 years, Ningbo Redfir has been adhering to the development concept of "Based on the industry, technological innovation", with innovation as the core and service as the orientation, and has built a self-circulating and self-optimizing full-chain ecological industrial system.It has achieved breakthroughs in cutting-edge technology of new materials, and has continued to develop towards digitization and intelligence, boosting the low-carbon construction of smart cities.
FAQ
We're well-known as one of the leading aluminum corrugated composite panel manufacturers and suppliers in China. If you're going to buy high quality aluminum corrugated composite panel made in China, welcome to get quotation and free sample from our factory.
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