Enclosure / Cladding System
Wall & Roof Panel Solution
Insulated sandwich panels (PU/PIR/EPS) & single-skin metal cladding. 50-200mm thickness, fire-rated. Complete building envelope solution for steel structures.
Product Overview
A steel building is only as good as its envelope. Our cladding systems — including PIR/PU insulated sandwich panels and single-skin profiled sheets — provide thermal insulation, weatherproofing, and architectural finish in one integrated system.
Sandwich panels are manufactured on continuous lamination lines with zero-ODP blowing agents. The double metal skin with injected foam core delivers U-values as low as 0.18 W/m²K, meeting energy codes worldwide. Custom colors, profiles, and fire ratings available.
For cold storage and food processing projects, we supply PIR-cored panels with food-grade stainless steel interior skins and antibacterial coatings — compliant with HACCP and FDA requirements. Our cladding systems ship with all necessary trims, flashings, fasteners, and sealants — a complete envelope kit ready for installation. Typical lead time is 20–25 working days.
Technical Specifications
| Panel Type | PU (Polyurethane) / PIR (Polyisocyanurate) / EPS / Rockwool |
| Thickness | 50mm, 75mm, 100mm, 150mm, 200mm |
| Steel Skin | 0.4mm – 0.7mm, galvanized + color-coated (PPGI) |
| U-Value | 0.18 – 0.45 W/m²K (PIR/PU) |
| Fire Rating | B1 (PIR), A (Rockwool core) |
| Panel Width | 1000mm (standard), up to 1200mm |
| Coating | PE, SMP, HDP, PVDF (Kynar 500) |
| Color Options | RAL color chart, wood grain, metallic finishes |
| Wind Load | Design per local standard (AS/NZS 1170, EN 1991) |
Key Features
Applications
Typical Delivery Timeline
From design approval to site delivery
Engineering Design
Calculation reports, shop drawings, erection manual
1–2 weeksFabrication
CNC cutting, welding, shot blasting, coating
4–6 weeksShipping
Container loading, ocean freight to your port
2–4 weeksSite Erection
Bolt-together assembly with remote guidance
4–8 weeksTotal project timeline: 11–20 weeks from design approval to completed installation. Rush production available.
Why Choose Laotie Steel?
15 years of manufacturing excellence, trusted by buyers in 30+ countries
CE & ISO 9001 Certified
Every product meets EN 1090-1 and ISO 9001:2015 standards. Full mill test certificates (EN 10204 3.1) provided with every shipment. IAF accredited and Made-in-China Supplier Assessed.
5,000 Tons Monthly Capacity
20,000 m² factory with 5 automated production lines. 200+ skilled workers operating 24/7. Whether you need a 500 m² workshop or a 50,000 m² industrial complex, we deliver on time.
30+ Countries Served
Export experience across Southeast Asia, Middle East, Africa, Australia, and South America. We design to your local building code: AS/NZS, BS 5950, EN 1993, AISC, or GB 50017.
Full Engineering Package
Structural calculation reports, detailed shop drawings, and erection manuals included with every order. Our engineers use Tekla, SAP2000, and STAAD.Pro for precision design.
Factory-Direct Pricing
No middleman markup. You buy directly from the manufacturer. Typical savings of 30–50% compared to local fabrication, even after shipping and duties.
15-Year Track Record
Founded in 2009 in Shangqiu, Henan — China's steel manufacturing hub. 500+ completed projects worldwide. Every bolt, plate, and member is labeled and match-marked for rapid assembly.
Frequently Asked Questions
Common questions about enclosure / cladding system
What types of cladding panels do you offer?
PU/PIR insulated sandwich panels, rock wool panels, EPS panels, and single-skin metal cladding. Thickness 50mm-200mm.
What fire ratings are available?
Rock wool: Grade A (non-combustible). PIR: B1 (self-extinguishing). Fire resistance up to 2 hours.
What colors and finishes?
Full RAL color chart. PE, SMP, HDP, and PVDF (Kynar 500) coatings available. Custom color matching.
What is the U-value of PIR panels?
PIR panels achieve U-values as low as 0.18 W/m2K at 100mm thickness.
How are panels installed?
Hidden fastener joints with continuous gasket seals. Bolt-on installation to steel structure. Full manual provided.
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Ready to Start Your Project?
Send us your project requirements and drawings. Our engineering team will provide a detailed quotation with structural calculations within 24 hours.