China Suppliers Factory PUR/PIR Foam Core Seamless Insulated Exterior Wall Sandwich Panels for Energy Efficiency

In the modern construction industry, PUR (polyurethane) and PIR (polyisocyanurate) seamless insulated exterior wall panels are gaining popularity as a transformative solution for enhancing energy efficiency and visual appeal. These innovative sandwich panels, manufactured in China by leading suppliers and factories, are engineered to deliver exceptional insulation, durability, and versatility, making them suitable for both residential and commercial projects. They effectively create a barrier that significantly reduces heat transfer from the outside environment to the interior.

As sustainability becomes a priority in construction, PIR and PU panels stand out as an eco-friendly alternative to conventional building materials. Their energy-saving features contribute to lower greenhouse gas emissions, while their extended lifespan reduces waste, making them an ideal choice for environmentally conscious builders.

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 (mm) Effective Width (mm) Length (m) Density (Kg/m³) Fire Resistance Weight (Kg/㎡) Heat Transfer Surface Thickness (mm) Surface Material
Coefficient Ud,s W/[m x K]
100 920 Max 10m 40±2 B2 Grade 11.8 ≤0.024 0.3–0.8 Customized
120 960 Customizable 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.

Joint Detail
Core Exterior Joint

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.
PPGI (Preprinted Galvanized Iron)

A versatile metal material with a galvanized steel base coated for excellent corrosion resistance. Features include lightweight nature and aesthetic customization. Ideal for roofing and wall cladding with minimal maintenance.

Typical Color (PPGI)

PPGI Colors

More Colors

Custom Colors
Other Surface Materials
Ti-Mg-Zn-Al Alloy
Ti-Mg-Zn-Al Alloy
Embossed Aluminum
Embossed Aluminum
Stainless Steel SUS304
Stainless Steel (SUS304)
Extra Advanced Coating
  • 1. PVDF: Exceptional resistance to UV radiation and weathering; retains color vibrancy.
  • 2. HDP: Superior durability and scratch resistance for high-traffic environments.
  • 3. EP: Excellent adhesion and chemical resistance; ideal for indoor applications.
Extra Coating

Key Features

1 Energy Efficiency

Rigid foam core has a high R-value, effectively blocking heat transfer and reducing utility bills.

2 Moisture-Proof

Prevents mold growth and water penetration, ensuring the building remains dry and durable.

3 Durability & Longevity

Designed to withstand extreme temperatures, UV radiation, and heavy physical impacts.

4 Aesthetic Variety

Available in numerous colors and textures to achieve a sleek, modern architectural look.

5 Easy to Install

Lightweight prefabricated panels allow for rapid site assembly and reduced labor costs.

Frequently Asked Questions

Q What is the difference between PUR and PIR foam core?
PIR (Polyisocyanurate) has a higher isocyanate content than PUR (Polyurethane), giving it superior fire resistance and slightly better thermal performance, though both offer excellent insulation and moisture resistance.
Q What thickness options are available?
Standard thicknesses include 100mm, 120mm, 150mm, and 200mm. Custom thicknesses and lengths up to 10m can be accommodated based on specific project requirements.
Q What surface materials can I choose?
Options include PPGI, Stainless Steel (SUS304/SUS201), Embossed Aluminum, and alloys like Ti-Mg-Zn-Al, with various profiles like Miro, Smooth, or Linear.
Q Are these panels suitable for cold storage?
Yes, they are highly suitable due to their low heat transfer coefficient (≤0.024 W/[m·K]) and seamless cam-lock design which prevents thermal bridging.
Q What is the fire resistance rating?
The panels meet B2 Grade fire resistance standards. Enhanced PIR core formulations are available for projects requiring even higher fire performance.
Q Can the panels be customized by color?
Absolutely. We offer a wide range of standard PPGI colors and provide custom RAL color matching services to meet your specific aesthetic needs.

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