
Corrugated Sheet
S550GD+Z Color Coated Corrugated Board
Corrugated sheets are widely used for roofing and wall cladding in residential, commercial, and industrial buildings. Available in PPGI, PPGL, and stainless steel materials with various profiles including YX25-210-840, YX35-125-750, and YX75-230-690. Custom lengths and colors available. Factory direct with fast delivery.
Email:melody@baosteelgroups.com
Whatsapp:+86 15864003919


1. How to get samples to check the quality? How long can I get the samples?
After the price is confirmed, samples can be provided for your evaluation. After confirming the sample details, the samples will be ready for delivery within 3-7 days, and sent to you by courier, and arrive within 3-5 days.
2.Do you provide samples ? is it free or extra ?
Answer:The sample could can provide for customer with free,but the courier freight will be covered by customer account.
3. Do you accept the third party inspection?
Answer: Yes absolutely we accept.
4.Can you accept customization?
Answer:Yes. If you have special requirements on products or packages, we can do customization for you.
5.How do you control the quality?
Answer:We have professional inspectors to analyze chemical composition of raw materials and test the finished products strictly according to standard stipulated in the contract. In this process, Internal and external surfaces, two ends appearance, bending degree, fixed length, outer diameter and wall thickness dimension etc will be checked one by one. You can be assured that all the products you get from us are reliable.

What is PPGI Roofing Sheet?
PPGI (Prepainted Galvanized Steel) roofing sheet is a high-performance building material manufactured from hot-dipped galvanized steel base with advanced color coating technology, then roll-formed into corrugated profiles.
The combination of zinc coating protection, premium color finish, and corrugated structural design delivers exceptional performance for roofing applications:
Corrosion Protection: Zinc coating (Z80-Z275) prevents rust formation
Weather Resistance: Advanced topcoat resists UV fading and weathering
Structural Strength: Corrugated design provides excellent load-bearing capacity
Water Drainage: Ribbed profile ensures efficient water runoff
Aesthetic Appeal: Wide range of RAL colors to match any architectural style
Cost-Effective: Lightweight design reduces structural steel requirements
PPGI roofing sheet is the preferred choice for residential, commercial, and industrial roofing projects worldwide.
| Parameter | Specifications | Notes |
|---|---|---|
| Base Material | Hot-Dipped Galvanized Steel | ASTM A653 / JIS G3302 |
| Zinc Coating | Z80 – Z275 (80-275g/m²) | Double side, Z180+ for coastal areas |
| Thickness | 0.12mm – 0.8mm | Tolerance: ±0.02mm |
| Effective Width | 600mm – 1000mm | Depending on profile |
| Overall Width | 700mm – 1200mm | |
| Length | 1m – 12m | Custom lengths available |
| Wave Height | 15mm – 35mm | |
| Wave Pitch | 125mm – 225mm | |
| Top Coat Type | PE / SMP / HDP / PVDF | |
| Back Coat | Epoxy / Modified Polyester | 5-10μm, anti-corrosion |
| Color Options | RAL Classic / RAL Effect | Custom colors accepted |
| Surface Finish | Glossy / Matt / Embossed | |
| Certifications | ISO 9001, SGS, CE | Third-party inspection available |
Popular PPGI Roofing Profiles
| Profile Code | Wave Height | Wave Pitch | Effective Width | Application | Load Capacity |
|---|---|---|---|---|---|
| YX15-225-900 | 15mm | 225mm | 900mm | Residential | Light |
| YX25-210-840 | 25mm | 210mm | 840mm | Residential/Commercial | Medium |
| YX28-205-820 | 28mm | 205mm | 820mm | Commercial | Medium |
| YX30-200-800 | 30mm | 200mm | 800mm | Commercial/Industrial | Medium-High |
| YX35-125-750 | 35mm | 125mm | 750mm | Industrial | High |
| YX51-250-750 | 51mm | 250mm | 750mm | Heavy Industrial | Very High |
Where to Use PPGI Roofing Sheet
| Application | Recommended Thickness | Recommended Profile | Coating Type |
|---|---|---|---|
| Residential Houses | 0.3mm – 0.4mm | 840 / 900 type | PE / SMP |
| Villas & Bungalows | 0.4mm – 0.5mm | 840 / 900 type | HDP / PVDF |
| Industrial Factories | 0.5mm – 0.6mm | 750 / 820 type | HDP / PVDF |
| Warehouses | 0.4mm – 0.5mm | 750 / 820 type | SMP / HDP |
| Agricultural Sheds | 0.3mm – 0.5mm | 840 type | PE / SMP |
| Commercial Buildings | 0.4mm – 0.5mm | 820 / 900 type | HDP / PVDF |
| Carports & Canopies | 0.3mm – 0.4mm | 840 type | PE / SMP |
| Coastal Areas | 0.5mm – 0.6mm | 750 / 820 type | PVDF (Z180+) |
Color Selection

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