Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of pre-painted corrugated metal roofing sheet in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.
Pre-painted corrugated metal roofing sheet
Keywords: Pre-painted Corrugated Metal Roofing Sheet, PPGI Roofing Sheet, PPGL Roof Panel, Color Coated Steel Roofing, Corrugated Steel Sheet Manufacturer, Metal Roofing Panel
Pre-painted Corrugated Metal Roofing Sheet, also known as PPGI/PPGL Roofing Sheet, is produced by profiling pre-painted galvanized (PPGI) or pre-painted galvalume (PPGL) steel coils into corrugated roofing panels. These sheets offer superior corrosion resistance, excellent weather durability, vibrant color appearance, and long service life, making them ideal for residential, commercial, and industrial roofing projects.
Manufactured according to ASTM A755, EN 10169, JIS G3312, our color-coated roofing sheets ensure accurate dimensions, strong load-bearing capacity, and stable color performance, suitable for high-temperature, humid, coastal, and industrial climates.
Pre-painted corrugated metal roofing sheets are roofing materials made from metal, typically steel or aluminum, that have been coated with a layer of paint before being formed into the characteristic corrugated shape.
"Please provide us with the steel grade, desired thickness, dimensions, quantity, and any specific requirements you have in mind, so we can offer you an accurate and tailored quote for your review."
Products Specifications
| Product name | Pre-painted corrugated metal roofing sheet, Galvalume corrugated steel sheet |
| Thickness | 0.1-3.0mm |
| Witdh | before corrugation:1000mm; after corrugation:915,910,905,900,880,875 |
| before corrugation:914mm; after corrugation:815,810,790,780 | |
| before corrugation:762mm; after corrugation:680,670,660,655,650 | |
| Length | 1000-12000mm or as require |
| Surface coating | Front Coating: primer+top coat: 10um to 40um; Back/Bottom Coating: 3um to 10um. |
| Topcoat Types | Polyester (PE), Silicone Polyester (SMP), High Durable Polyester (HDP), Fluoropolymer (PVDF) |
| Top Paint | 8-40 Micron based on client's request |
| Hardness | Soft Hard (<60),Medium Hard (60-85), Full Hard (85-95) |
| Color | Top side is made according to RAL color, Back side is white grey in normal |
| Packing | Standard packing for sea freight or air freight |
| Payment terms | T/T or L/C |
| Application | Roofing sheet,decoration, cabinets,etc |
What's the application of Pre-painted corrugated metal roofing sheet ?
Pre-painted corrugated metal roofing sheets are a specific type of roofing material that offers several benefits and applications:
Residential Roofing: They are commonly used for residential roofing applications, providing durable protection against the elements while adding aesthetic appeal to homes. The pre-painted finish allows homeowners to choose from a variety of colors and styles that complement the overall design of their house.
Commercial and Industrial Buildings: Pre-painted corrugated metal roofing sheets are also widely used in commercial and industrial construction. They offer a cost-effective and low-maintenance roofing solution for warehouses, factories, retail stores, and other commercial structures.
Agricultural Buildings: These roofing sheets are popular for agricultural buildings such as barns, poultry houses, and storage sheds. They provide reliable protection for livestock, equipment, and agricultural produce, ensuring a comfortable and safe environment for farming activities.
Temporary Structures: Pre-painted corrugated metal roofing sheets are suitable for temporary structures such as construction site shelters, event tents, and disaster relief shelters. Their lightweight and easy installation make them ideal for quickly providing temporary roofing solutions.
Architectural Features: In addition to their primary roofing function, pre-painted corrugated metal sheets can be used as architectural features in modern building design. They can create unique roof shapes, canopies, awnings, and facades, enhancing the visual appeal of the building exterior.
Off-Grid and Sustainable Construction: These roofing sheets are compatible with off-grid and sustainable construction practices. They can be combined with renewable energy systems such as solar panels and rainwater harvesting systems to maximize energy efficiency and reduce environmental impact.
DIY Projects: Pre-painted corrugated metal roofing sheets are also popular for DIY projects such as backyard sheds, carports, and pergolas. Their lightweight and easy-to-handle nature make them suitable for DIY enthusiasts looking to improve their outdoor spaces.
Trapezodal steel sheet
Effective coverage: 740mm,820mm, 840mm,900mm, 1000mm,1050mm,
Expand width:1000m,1200mm
Thickness:0.1mm~3mm
Wavy Steel Sheet
Effective coverage: 665mm,800mm, 850mm, 900mm1000mm,1050mm,
Expand width:1000m,1200mm
Thickness:0.1mm~3mm
Gladed roofing sheet
Effective coverage: 828mm,980mm, 1035mm
Expand width:1000m,1200mm
Thickness:0.1mm~3mm
Chemical Composition (Base Steel)
PPGI Base Steel (Typical %)
| Element | % |
|---|---|
| C | ≤ 0.20 |
| Mn | 0.30 – 0.80 |
| P | ≤ 0.04 |
| S | ≤ 0.05 |
| Si | 0.15 – 0.60 |
| Fe | Balance |
PPGL Base Steel (Typical %)
| Element | % |
|---|---|
| Al | 55% |
| Zn | 43.5% |
| Si | 1.5% |
| Fe | Balance |
Key Features
✔ Weather-Resistant Color Coating – UV-resistant, anti-fade, long-lasting color.
✔ Excellent Corrosion Protection – PPGI/PPGL coating + top paint.
✔ High Strength & Load Capacity – Suitable for roofing and wall cladding.
✔ Lightweight for Easy Installation – Reduces structural load.
✔ Wide Range of Colors & Profiles – RAL color system available.
✔ Scratch & Impact Resistant Surface
✔ Fire, Rain, Wind & Heat Resistant
✔ Anti-Fingerprint & Anti-UV Options Available
Applications
Residential Buildings:
Roofing sheets are commonly used in residential construction for houses, apartments, and other types of dwellings. They provide a durable and cost-effective roofing solution while offering a variety of styles and colors to match architectural preferences.
Temporary Structures
Roofing sheets are often used in temporary structures such as event tents, construction shelters, and disaster relief shelters. Their lightweight and modular design make them easy to transport, assemble, and disassemble as needed.
Packaging
Dongmeng Steel provide standard packing with strong skid and professional loading to ensure the products protected well during the land transportation and sea transportation. Each colored sheet is protected by black and white PVC to avoid scratch when moving and installation.
FAQ – Pre-painted Corrugated Roofing Sheets
Q1: What is the lifespan of PPGI/PPGL roofing sheets?
A1: Typically 25–50 years depending on coating (PE, SMP, HDP, PVDF).
Q2: Which lasts longer-PPGI or PPGL?
A2: PPGL (Alu-Zinc) lasts up to 2–4 times longer than PPGI.
Q3: What profile types do you supply?
A3: Wavy (sinusoidal), trapezoidal, ribbed, tile-shaped, and custom patterns.
Q4: Does the color fade over time?
A4: PVDF paint offers best anti-fade performance, suitable for coastal areas.
Q5: Are sheets cut to customer length?
A5: Yes, lengths up to 11.8 meters are available.
Q6: What thickness is recommended for roofing?
A6: 0.35–0.60 mm (0.014–0.023 inch) is most common.
Q7: Can corrugated sheets be used in coastal regions?
A7: Yes, but PPGL + PVDF coating is recommended.
Q8: Do panels require maintenance?
A8: Very low maintenance-simple cleaning extends service life.
Q9: Do you provide matching ridge caps and accessories?
A9: Yes, ridge caps, gutters, flashings, screws, and sealants.
Q10: Are third-party inspections available?
A10: Yes, SGS / BV / TUV inspection available before shipment.
Inspection & Quality Assurance
Our Pre-painted Corrugated Roofing Sheets undergo strict QC procedures:
1. Raw Material Inspection
Base coil verification (PPGI/PPGL)
Zinc/aluminum-zinc coating test
Paint adhesion check
2. Production Line Quality Checks
Thickness + width measurement
Corrugation uniformity test
Paint thickness inspection (top/back)
Color difference (ΔE) testing
Surface defect inspection
3. Mechanical & Performance Tests
Tensile test
Bend test (≤ 3T)
Salt spray test (ASTM B117)
UV resistance test
Coating adhesion test (ASTM D3359)
4. Third-Party Option
SGS / BV / TUV pre-shipment inspections
Documents Provided
Mill Test Certificate (EN 10204 3.1)
Coating & paint thickness report
QC inspection record
Packing list & CO
Looking for reliable Pre-painted Corrugated Metal Roofing Sheets with stable quality and competitive factory pricing?
We supply PPGI & PPGL roofing sheets in all profiles, colors, and specifications.
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
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