Metal Roofing System Manufacturer _ PPGI, GI, GL Roofing Sheets & Sandwich Panels

Reliable steel supply for global engineering projects
  • Reliable steel supply for global engineering projects
  • Custom metal fabrication based on technical drawings
  • Strict quality control from production to shipment
  • Professional export service and efficient global logistics
  • Stable supply chain with qualified manufacturing partners

Roofing System

(Metal Roofing Sheets & Insulated Sandwich Panels)

Roofing systems are essential components in modern steel structure buildings. Our roofing solutions include metal roofing sheets and insulated sandwich panels, designed to provide excellent structural strength, weather resistance, thermal insulation, and long service life for industrial and commercial buildings.

These roofing materials are widely used in factories, warehouses, power plants, logistics centers, and infrastructure projects.

 

Model Product Description
RS-01 Color Steel Roofing Sheet (PPGI) Pre-painted steel roofing sheet with corrosion resistance
RS-02 Galvanized Steel Roofing Sheet (GI) Zinc-coated steel roofing sheet
RS-03 Aluminum-Magnesium-Zinc Roofing Sheet (GL) Alu-zinc alloy coated roofing sheet with superior durability
RS-04 Standing Seam Roofing Sheet Concealed fastening roofing system
RS-05 Rock Wool Sandwich Panel Fireproof insulated roofing panel
RS-06 PU Sandwich Panel High insulation polyurethane roofing panel

 

2.Material

 

High-quality materials are used to ensure the performance and durability of the roofing system.

 

Common materials include:

  • Steel materials
  • PPGI (Pre-painted galvanized steel)
  • GI (Galvanized steel)
  • GL (Aluminum-zinc alloy coated steel)
  • Insulation materials
  • Rock wool core
  • Polyurethane (PU)
  • EPS (optional)
  • Surface coating
  • Polyester coating
  • PVDF coating
  • SMP coating

 

3.Specifications

Parameter Specification
Sheet thickness 0.3 – 0.8 mm
Panel width 600 – 1250 mm
Panel length 1 – 12 m (customized)
Sandwich panel thickness 50 – 200 mm
Surface coating PE / PVDF / SMP
Zinc coating 40 – 275 g/m²

 

Different profile types and wave shapes can be customized according to project requirements.

 

4.Applications

 

Roofing systems are widely used in:

 

  • Industrial factories
  • Warehouses
  • Logistics centers
  • Power plants
  • Commercial buildings
  • Agricultural buildings
  • Infrastructure projects

 

They provide reliable roof protection and structural support for steel structure buildings.

 

5 。Our roofing systems offer several advantages compared with traditional roofing materials:

 

  • High structural strength with lightweight design
  • Excellent weather resistance and corrosion protection
  • Good thermal insulation performance
  • Fireproof options available with rock wool panels
  • Quick installation and reduced construction time
  • Long service life with low maintenance cost
  • Compatible with steel structure building systems

 

6.Quality Assurance

 

We maintain strict quality control throughout the manufacturing process.

 

Quality control includes:

 

  • Raw material inspection before production
  • Advanced roll forming production lines
  • Precise profiling and cutting technology
  • Surface coating inspection
  • Compliance with international standards such as ISO, ASTM, EN
  • All roofing products undergo strict inspection before shipment.

 

7.After-Sales Service

 

We provide comprehensive after-sales support to ensure smooth project execution.

 

Services include:

  • Professional technical consultation
  • Engineering support for project implementation
  • Fast response to product inquiries or issues

 

8.OEM & Customization Service

 

To meet the specific needs of different projects, we offer flexible OEM and customization services.

 

  • Customization options include:
  • Customized roofing sheet profiles
  • Custom thickness and dimensions
  • Color and coating customization
  • Special insulation materials for sandwich panels
  • OEM branding and packaging
  • Production based on customer drawings

 

Our engineering team can provide tailored roofing solutions for large construction and industrial projects.

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