China Suppliers Factory PUR/PIR Foam Core Seamless Sandwich Panels for Insulated Exterior Walls

In the realm of modern construction, China has emerged as a leading source of high-quality building materials, particularly through the production of PUR (polyurethane) and PIR (polyisocyanurate) seamless insulated exterior wall panels. These innovative sandwich panels are designed to enhance energy efficiency and aesthetic appeal, making them a preferred choice among suppliers for both residential and commercial applications, With superior insulation properties, these panels effectively create a barrier that significantly reduces heat transfer from the outside environment to interior spaces. As sustainability becomes a key focus in construction, China’s manufacturers are committed to providing environmentally friendly alternatives. The energy-saving attributes of PIR and PU panels contribute to lower greenhouse gas emissions, while their durability ensures a long service life, minimizing waste, Choosing PUR and PIR panels from reputable suppliers in China not only promotes energy efficiency but also supports a more sustainable future in building practices. Explore the advantages of sourcing these exceptional materials from trusted factories to elevate your construction projects today

Product Description

Products Description
Polyurethane (PUR) and Polyisocyanurate (PIR) are the multifunctional foam core material widely used in various industries due to its excellent thermal insulation properties, mechanical strength and moisture resistance. Seamless insulated exterior siding sandwich panels are made with a rigid foam core sandwiched between two layers of durable facing material, typically made of metal or other alloy composite materials. The seamless design improves the overall performance and longevity of the structure by eliminating joints and joints, common weak points in traditional wall systems.
Product Details
TECHNICAL PARAMETERS OF POLYURETHANE CORE Cam-Lock SANDWICH PANEL
THICKNESS Effective Width Length Density Fire Resistance Weight Heat Transfer Surface Thickness Surface Material
Coefficient Ud,s
mm mm m Kg/m³ / Kg/㎡ W/[m x K] mm /
100 920 10m 40±2 B2 Grade 11.8 ≤0.024 0.3–0.8 Customized
120 960 Max Customizable 12.7 Customized
150 1000 13.9
200 16.1
The Joint

The complex design of split joint of the sandwich panels are widely used in industrial, commercial, and agricultural buildings, including warehouses, cold storage facilities and manufacturing plants.

This kind of complicated joint make the panels connect to each other tightly and seamless, when showing a beautiful appearance and maintain the insulation at the same time. Also the ease of installation and low maintenance requirements make them a cost-effective option for modern construction projects, helping to increase sustainability and efficiency.

Joint Detail
Core Exterior Connection
Surface Profile
Surface Profile Options
Miro Smooth Linear Embossed
Surface Material
Our PUR (polyurethane) / PIR (polyisocyanurate) seamless insulated exterior wall panels have multiple customizable surface steel material and color choices such as PPGI, Stainless steel, embossed aluminum etc. Their durability, moisture resistance and chemical resistance further enhance their appeal.
PPGI
PPGI, or Preprinted Galvanized Iron, is a versatile metal material widely used in construction and manufacturing. It features a galvanized steel base that is coated with a layer of paint for excellent corrosion resistance and durability.
Typical Color (PPGI)
Typical Color Chart
More Colors
PPGI has a variety of color finishes, we provide customized color service for whatever color you need.
Custom Color Options
Other Surface Material
To obtain better or specific function, other surface materials can also be customized such as Stainless Steel, Aluminum, or other alloys.
Ti-Mg-Zn-Al Alloy
Ti-Mg-Zn-Al Alloy
Embossed Aluminum
Embossed Aluminum
Stainless Steel SUS304
Stainless Steel (SUS304)
Extra Coating
The surface material can also be enhanced with various advanced coatings:
  • PVDF (Polyvinylidene Fluoride): Exceptional resistance to UV radiation and chemicals.
  • HDP (High-Durability Polyester): Superior durability and scratch resistance.
  • EP (Epoxy Polyester): Excellent adhesion and moisture resistance.
Extra Coating Display
Key Features & Benefits
  • Energy Efficiency: High R-value rigid foam core effectively blocks heat transfer, reducing energy consumption for heating and cooling.
  • 💧
    Moisture-proof: PUR/PIR foam core is moisture-proof and prevents mold growth, further enhanced by the seamless design.
  • 🛡️
    Durability: Designed to withstand harsh environmental conditions, UV radiation, and physical impact with high structural integrity.
  • 🎨
    Aesthetic Variety: Available in many colors and textures, contributing to a sleek, modern look for any building project.
  • 🔧
    Easy to Install: Lightweight and prefabricated for rapid assembly, significantly reducing labor costs and construction time.
Frequently Asked Questions
QWhat is the difference between PUR and PIR foam core sandwich panels?
PIR (Polyisocyanurate) has a higher isocyanate content than PUR (Polyurethane), providing better fire resistance and slightly superior thermal performance. While both offer excellent insulation, PIR is often preferred for stricter fire safety standards.
QWhat thickness options are available for the sandwich panels?
Standard thicknesses include 100mm, 120mm, 150mm, and 200mm. Custom thicknesses and lengths up to 10m can be manufactured based on specific project requirements.
QAre these panels suitable for cold storage facilities?
Yes, they are highly suitable. With a heat transfer coefficient of ≤0.024 W/[m·K] and a seamless Cam-Lock joint design, they maintain stable low temperatures and prevent thermal bridges and moisture ingress.
QWhat is the fire resistance rating of these panels?
Our standard PUR/PIR sandwich panels carry a B2 Grade fire resistance rating, which indicates normal flammability resistance suitable for most industrial and commercial applications.
QHow does the Cam-Lock joint system benefit installation?
The Cam-Lock system features a precisely engineered interlocking mechanism that connects panels tightly and seamlessly. This simplifies on-site assembly, reduces labor time, and ensures continuous insulation performance.
QWhat surface materials can be customized?
We offer PPGI, Stainless Steel (SUS304/SUS201), Embossed Aluminum, and various alloy composites. Finishes include Miro, Smooth, Linear, and Embossed profiles with optional PVDF or HDP coatings.

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