May 9, 2025

Sandwich Panels Manufacturing for Japan

In Japan, where cutting-edge construction meets rigorous safety and sustainability standards, the demand for high-quality insulated sandwich panels is surging. Driven by seismic resilience requirements, energy efficiency goals, and modern architectural trends, Japan’s industrial, commercial, and residential sectors rely on advanced building materials. Wanxing-CHINA, a trusted manufacturer based in China, delivers tailored PU, PIR, Rock Wool, and PU-sealed Rock Wool sandwich panels, engineered to meet Japan’s unique environmental and regulatory needs.

Built for Japan’s Unique Challenges

Japan’s construction landscape is shaped by its diverse climate, frequent seismic activity, and strict building codes like the Building Standard Law (BSL) and JIS certifications. From Hokkaido’s freezing winters to Kyushu’s humid summers, sandwich panels must perform under extreme conditions while ensuring safety and longevity.

At Wanxing-CHINA, we craft panels that excel in:

Seismic Resilience: Lightweight yet robust designs to reduce structural stress.
Energy Efficiency: Superior insulation for compliance with Japan’s energy-saving mandates.
Fire Safety: Non-combustible options to meet stringent fire codes.
Aesthetic Versatility: Custom finishes to align with Japan’s sleek, modern architectural trends.

Our panels are rigorously tested to ensure compliance with JIS standards, offering peace of mind for contractors and developers across Japan.

Our Sandwich Panel Solutions

We offer a range of sandwich panels designed to meet diverse project needs, from industrial warehouses to high-end commercial spaces:

PU & PIR Panels: Exceptional thermal insulation (0.022 W/m·K for PU), perfect for energy-efficient buildings like cold storage or offices.
Rock Wool Panels: JIS A1 non-combustible rating, ideal for fire-sensitive applications such as factories or public buildings.
PU-Sealed Rock Wool Panels: Combines fire resistance with enhanced structural integrity for demanding environments.

Each panel features high-density cores, customizable steel facings (galvalume, zinc, or stainless), and finishes in RAL-standard colors. Options like embossing, protective films, or advanced joint-locking systems ensure seamless installation and durability.

Technical Specifications

Parameter	PU / PIR Panels	Rock Wool / PU-Sealed Panels
Core Type	Polyurethane or Polyisocyanurate	Mineral Wool (100–120 kg/m³)
Fire Rating	B2–B1 (PU), Enhanced for PIR	A1 Non-Combustible
Thickness	50 mm – 200 mm	50 mm – 200 mm
Steel Thickness	0.4 mm – 0.7 mm	0.4 mm – 0.7 mm
Thermal Conductivity	0.022 W/m·K (PU)	0.035–0.045 W/m·K (RW)
Panel Length	2 m – 11.8 m	2 m – 11.8 m
Effective Width	1000 mm	1000 mm

We provide detailed technical data sheets, JIS-compliant test reports, and tailored packaging for safe delivery to Japanese ports like Yokohama or Osaka.

Applications Across Japan’s Industries

Our sandwich panels support a wide range of projects, delivering reliability and performance:

Industrial Facilities: Warehouses, logistics hubs, and manufacturing plants.
Commercial Spaces: Shopping malls, offices, and exhibition centers.
Public Infrastructure: Schools, hospitals, and transportation terminals.
Cold Chain: Refrigerated storage for food and pharmaceuticals.
Modular Construction: Prefabricated buildings for rapid, sustainable development.

With Japan’s focus on reducing carbon footprints and enhancing building lifespans, our panels offer low-maintenance, energy-saving solutions that align with national sustainability goals.

Why Choose Wanxing-CHINA for Japan?

Japanese-Language Support: Dedicated export team fluent in Japanese for seamless communication.
Custom Solutions: Tailored steel facings (PVDF, polyester, or stainless) and finishes to match project aesthetics.
Logistics Expertise: Proven experience shipping from China to Japan via sea, ensuring timely delivery.
Direct Manufacturing: Full control over production for consistent quality and competitive timelines.
Transparency: Clear specifications, no hidden details—what you order is what you receive.

As a direct manufacturer, Wanxing-CHINA operates state-of-the-art production lines with high daily output, ensuring scalability for Japan’s large-scale projects. Every panel is traceable from raw material to finished product, meeting the precision and reliability Japan’s market demands.

Partner with Wanxing-CHINA

Whether you’re building a high-tech factory in Tokyo or a sustainable office in Sapporo, Wanxing-CHINA’s sandwich panels deliver the performance, safety, and aesthetic versatility Japan expects. Contact us today to discuss your project needs and discover how our solutions can elevate your next build.