



PPGI Roofing Sheet starts with high-quality pre-painted galvanized steel, which is then fed through precision rollers and cold-formed into various corrugated profiles. This manufacturing process gives the sheet its characteristic wave pattern and structural rigidity. Once installed, it serves a broad range of buildings—industrial factories, warehouses, commercial structures, large-span steel frame roofs, exterior cladding, and decorative wall panels. The material’s light weight and high strength make it a practical choice for modern construction. It comes in a wide selection of colors and finishes, while offering simple installation, resistance to seismic forces and fire, reliable waterproofing, extended service life, and minimal upkeep requirements.
1.Standard: AISI, ASTM, BS, DIN, GB, JIS
2.Grade: DX51d, G550, etc. all according to the customer's request
3.Color: RAL color, or as customers’ requirement
4.Thickness: 0.12mmmm, all available
5.Width: customized
6. Length: according to per customer's requirement
7.zinc coating: 40-175gsm
8.Film: customized
9. *Raw material 762mm to 665mm(after corrugated) and 9 waves;
*Raw material 914mm to 800mm-890mm(after corrugated) and 11 waves;
*Raw material 1000mm to 900mm or 920mm(after corrugated) and 12 or 14 waves;
*Raw material 1200mm to 1070mm(after corrugated) and 17 waves also can produce as per customer's requirement
Blue Galvanised Coated Roofing Sheet offers a compelling combination of low dead weight, excellent structural strength, and a broad spectrum of color finishes. Installation moves quickly, saving both labor hours and transportation costs. The material resists seismic forces, fire, and rainwater penetration, while delivering decades of service with virtually no maintenance. These attributes have driven its widespread adoption across the construction industry.
Key advantages include:
Aesthetic versatility—rich color choices and flexible panel profiles allow architects to achieve distinct design styles
Structural efficiency—lightweight construction with high strength-to-weight ratio and reliable waterproofing performance
Factory-controlled quality—consistent manufacturing standards ensure reliable product performance
Time-saving installation—reduced handling and faster erection directly shorten overall project schedules
Environmental responsibility—fully recyclable and aligned with sustainable building practices
One consideration: upfront material cost runs higher than conventional concrete or masonry alternatives, and long-term durability may not always match those heavier enclosure systems in certain applications.
Color Coated Steel Roofing Sheet is widely specified for numerous building types. Industrial facilities including manufacturing plants, logistics centers, and workshops rely on it for durable overhead coverings. Civil structures such as residential apartments, schools, and retail stores also benefit from its lightweight yet strong profile. Specialized buildings—think aircraft hangars, sports stadiums, and cold storage units—use it for both roofing and wall panels. In large-span steel structures, it serves as the primary roofing membrane and exterior cladding material. Interior designers also appreciate its decorative qualities for wall lining and ceiling applications, while exterior facade projects often use it to achieve a modern, clean appearance with long-lasting color retention.
As China metal materials industry leading enterprises, the national steel trade and logistics "Hundred good faith enterprise",China steel trade enterprises, "Top 100 private enterprises in Shanghai”. Shanghai Zhanzhi industry Group Co., Ltd.,(shorted to Zhanzhi Group) takes the" Integrity, Practicality, Innovation, Win-Win " as its sole operation principle, always persist in putting the customer demand in the first place.


