Polyurethane Four Waves Roof Sandwich Panel
- Effective Width: 1000mm/1m
- Profile Types: 4 Waves
- Metal Sheet Thickness: 0.4mm to 0.8mm
- Core Material Density: 40 to 45kg/m³
- Color of Steel Plate: RAL color
- Insulation Material: PU/PUR/PIR
- Core Thickness: 50/75/80/100/120/150mm
- Coating: PE/SMP/HDP/PVDF
- Plating: Hot-dip galvanizing/Aluminium/Stainless steel
- Delivery Time: 7-15 days
- Shipping Port: Qingdao Port
- Payment: T/T, L/C, PayPal
- Service Life: ≥15 years
- Product Origin: Henan, China
Product Details
Polyurethane four waves roof sandwich panel is advanced building materials designed for roofing applications. These panels consist of two outer layers, typically made of metal, enclosing a core of polyurethane foam. The unique four-wave profile enhances structural integrity and aesthetic appeal while providing excellent thermal insulation and energy efficiency.
Polyurethane four waves roof sandwich panels offer a robust solution for modern roofing needs, combining excellent thermal insulation, structural strength, and aesthetic versatility. Their lightweight nature and quick installation process make them a preferred choice for various applications in industrial, commercial, and residential buildings. As energy efficiency and sustainability become increasingly important in construction, these panels stand out as a practical, effective, and environmentally friendly option for achieving high-performance roofing systems.
Composition of polyurethane four waves roof sandwich panel
- Outer Layers: The outer layers are usually made from galvanized steel or aluminum, offering durability, corrosion resistance, and protection against environmental elements. The metal can be coated with various finishes for enhanced aesthetics and longevity.
- Core Material: The core is made of polyurethane foam, known for its excellent thermal insulation properties. This core significantly reduces heat transfer, helping to maintain comfortable indoor temperatures and reduce energy costs.
Polyurethane Sandwich Roof Panel – Load distribution
| Panel Thickness | R-Value(m2.K/W)
at 23℃ |
Weight(kg) | Load capacity
(P=KN/M2) |
0.50 | 0.80 | 1.00 | 1.20 | 1.50 |
| 50mm | 2.24 | 10.15 | L(m) | 3.59 | 3.17 | 2.85 | 2.61 | 2.33 |
| 75mm | 3.30 | 11.18 | L(m) | 4.64 | 4.07 | 3.66 | 3.34 | 2.96 |
| 100mm | 4.45 | 12.22 | L(m) | 5.57 | 4.88 | 4.38 | 3.99 | 3.53 |
| 120mm | 5.55 | 13.05 | L(m) | 6.28 | 5.49 | 4.92 | 4.48 | 3.97 |
| 150mm | 6.65 | 14.30 | L(m) | 7.30 | 6.39 | 5.73 | 5.22 | 4.62 |
Features of PU four waves roof sandwich panels
- Thermal Insulation: Polyurethane has a low thermal conductivity, making these panels highly effective at minimizing heat loss in winter and heat gain in summer.
- Structural Strength: The four-wave design increases the panel’s structural integrity, allowing it to withstand heavy loads and extreme weather conditions.
- Lightweight: Despite their strength, these panels are lightweight, making them easy to handle during installation and reducing the overall load on the building structure.
- Aesthetic Versatility: The four-wave profile provides a visually appealing roof surface, available in various colors and finishes to match architectural designs.
Applications of PU 4-waves roof sandwich panels
Polyurethane four waves roof sandwich panels are suitable for a variety of applications, including:
- Industrial Buildings: Warehouses, factories, and manufacturing plants where thermal insulation and structural strength are critical.
- Commercial Structures: Shopping malls, office buildings, and recreational facilities that require energy efficiency and aesthetic appeal.
- Agricultural Buildings: Suitable for barns, storage facilities, and greenhouses, providing insulation and protection from the elements.
- Residential Roofs: Increasingly used in modern homes for their energy-saving benefits and design flexibility.
Advantages of polyurethane four waves roof sandwich panel
- Energy Efficiency: The excellent insulating properties of polyurethane help reduce heating and cooling costs, contributing to lower energy bills and a smaller carbon footprint.
- Quick Installation: Prefabricated panels allow for rapid installation, reducing labor costs and construction time.
- Durability: The combination of metal and polyurethane ensures long-lasting performance, with resistance to weathering, corrosion, and mechanical damage.
- Sustainability: Polyurethane is a recyclable material, and many manufacturers focus on sustainable production practices, making these panels an environmentally friendly choice.
Installation of polyurethane roof sandwich panel
The installation of polyurethane four waves roof sandwich panels involves:
- Preparation: Ensure that the roof structure is clean, dry, and suitable for panel attachment.
- Panel Placement: Align and secure the panels to the roof structure using appropriate fasteners, ensuring tight seams to prevent air and moisture infiltration.
- Sealing: Apply sealants at joints and edges to enhance insulation performance and prevent leaks.
Sandwich Panel Production Workshop
Sandwich Panel Packing & Shipping
All the products are loaded at the loading site of our factory using crane and forklift by our skilled workers, who will prevent the goods to be damaged. And all the structure components, panels, bolts and sorts of accessories will be well packed with standard package and it is suitable for ocean transport.
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Inspection: 50% inline inspection and 100% full final inspection, make sure all output w/o any mistake.
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Packing: Per customer's requirements or per product sizes, full protection packing.
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Shipping: Per customer's requirements or per container sizes.
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Unloading: We package it as a whole and can be easily pulled out at once with a forklift, which is very convenient.
Our Certificates
Our sandwich panel certificates include EU CE certification, BPS certification, and ICC certification.
Application of Sandwich Panels
Usage scenario: Insulated sandwich panels are used as exterior walls and interior partitions, installed vertically or horizontally on single span or multi span structures. Such as industrial buildings, steel frame structures, warehouses and logistics centers, commercial buildings and offices, fire-resistant buildings, agricultural and livestock buildings, sports halls, exhibition halls, factories, garages, hangars, barns, prefabricated houses, cold storage, clean room, etc.
We provide the following RAL color card colors for your reference. For other colors, please compare the Raul color card colors.
Note: The above color card has a slight deviation due to printing reasons, please refer to the actual products.
If you purchase metal sandwich panels from Canglong Group, we will also provide some accessory products, including self tapping nails, rivets, waterproof caps, polyurethane glass glue, mouth and corner accessories, outer ridge tiles, waterproof eaves, external and internal corners, eaves edging, plugs, door and window edging, purified aluminum profiles, etc.
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High-quality Raw Materials
We strictly select high-quality suppliers. All color steel coils and core materials are from China top 500 companies and have undergone strict quality inspections to ensure the basic quality of the products.
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Advanced Production Equipment
The factory is equipped with advanced production equipment, including automated production lines, cNc cutting machines and high-precision pressing equipment, to ensure that the production process of each color steel sandwich panel is accurate and stable.
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Mature Supply Solutions
One-stop supply of all accessories for sandwich panel installation, standardized packaging process, to avoid friction or damage of sandwich panels on the road, easy for customers to unload, saving time and money for customers.
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Q1: What are the main applications of polyurethane sandwich panels?
A: Polyurethane sandwich panels are commonly used for insulation and construction in various building types, including residential, commercial, industrial, and agricultural structures. They are suitable for walls, roofs, ceilings, and floors.
Q2: What are the advantages of polyurethane sandwich panels?
A: Polyurethane sandwich panels offer excellent thermal insulation properties, lightweight construction, high strength-to-weight ratio, versatility, weather resistance, fire resistance (with appropriate treatments), aesthetic appeal, and cost-effectiveness.
Q3: How do polyurethane sandwich panels contribute to energy efficiency?
A: Polyurethane sandwich panels provide effective thermal insulation, reducing heat transfer through walls and roofs. This helps maintain comfortable indoor temperatures and reduces the energy required for heating and cooling, thus contributing to energy efficiency and lower utility bills.
Q4: Are polyurethane sandwich panels environmentally friendly?
A: Polyurethane sandwich panels can be environmentally friendly when produced using sustainable manufacturing practices and materials. Additionally, their energy-saving properties contribute to overall environmental sustainability by reducing energy consumption and greenhouse gas emissions.
Q5: How durable are polyurethane sandwich panels?
A: Polyurethane sandwich panels are known for their durability and resistance to various environmental factors, including weather, moisture, and corrosion. Proper installation and maintenance can further enhance their longevity.
Q6: Are polyurethane sandwich panels easy to install?
A: Yes, polyurethane sandwich panels are relatively easy to install compared to traditional building materials. Their lightweight nature and standardized dimensions facilitate quick and efficient installation, resulting in reduced construction time and labor costs.
Q7: Can polyurethane sandwich panels be customized?
A: Yes, polyurethane sandwich panels can be customized to meet specific design requirements, including color, finish, thickness, and profile. Customization options allow architects and builders to achieve desired aesthetics and performance characteristics for their projects.
Q8: How do I maintain polyurethane sandwich panels?
A: Maintenance requirements for polyurethane sandwich panels are minimal. Regular cleaning with mild detergent and water, inspection for any damage or deterioration, and prompt repair of any issues are recommended to ensure optimal performance and longevity.
Product Features
The metal sandwich panels produced by Canglong are insulated, fire-resistant, environmentally friendly, earthquake resistant, and durable.
