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The Roofing Sheet Manufacturer!

 

Integrated steel manufacturer specializing in GI, PPGI, and GL coils, offering customized production, export-standard quality control, and fast global supply with 10+ years of trade experience.

 
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Why choose us

Our Service

24-hour quick response to inquiries, providing product selection, specification customization (thickness/width/coating) consultation and free sample delivery.

 

Adapting to target market standards (ASTM/JIS, etc.), offering cost accounting, quotation solutions and compliant trade suggestions.

Production Market

Covering key markets in Southeast Asia, South America, Central Asia and Africa, and expanding into the United States, Canada, Mexico, the United Arab Emirates and other countries.

Our Certificate

Certified with ISO 9001, ISO 14001, ISO 45001, SGS, and AAA Credit Rating, ensuring quality manufacturing, environmental responsibility, workplace safety, and trusted global business standards.

 

Category

Trapezoidal roofing sheet

Substrate

GI/GL/PPGI/PPGL/PPAL

Coating Type

PE (Polyester), SMP (Silicone Modified Polyester), PVDF (Fluorocarbon)

Thickness

0.13–2.0mm

Width

680/740/800/820/840/900A/1000/1025/1050/1100

Coating Thickness

Top: 15–25 μm; Back: 5–20 μm

Surface Texture

Fine pebble grain, orange peel, wood grain (customizable)

Color Range

Customizable according to RAL/Pantone color charts (standard: black, dark gray, white)

 

Advantages of Roofing Sheet

Strength, Durability & Weather Resistance

Modern roofing sheets are engineered to endure severe climatic conditions, including storms, heavy rainfall, strong winds, and elevated temperatures. Advanced Al-Zn coatings enhance corrosion resistance, ensuring sustained performance with limited maintenance requirements. Their structural consistency makes them compatible with diverse building types.

Aesthetic Appeal & Design Flexibility

Colour-coated sheets enrich the visual character of buildings through refined finishes and versatile colour options. Their smooth, uniform appearance aligns with both modern and traditional architectural styles, enabling seamless integration into a wide range of design concepts.

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Thermal Efficiency & UV Protection

Galvalume and GL sheet variants reflect solar heat effectively, supporting improved indoor comfort. Their UV-resistant coating systems help maintain surface appearance by preventing fading, chalking, and early deterioration.

Lightweight & Easy Installation

These sheets offer a strong combination of lightweight structure and high durability. Their design enables efficient installation, reduces labour time, and minimises structural load. This efficiency is particularly beneficial in large-scale or time-sensitive projects.

 

Applications of Roofing Sheet
 
 

Industrial sheds:

GI, FRP or sandwich panels are commonly used for their strength and insulation properties.

 
 
 

Residential roofs:

Colour-coated sheets are preferred for their aesthetic appeal and durability.

 
 
 

Temporary structures:

PVC or plastic roofing sheets are often chosen due to their lightweight and cost-effectiveness.

 

 

 
Installation Tips for Roofing Sheets
 
01/

Prepare the Roof Frame: Ensure trusses/purlins are sound, level, and spaced as per the sheet profile.

02/

Measure Accurately: Cut to size and allow correct overlaps to prevent leaks.

 

03/

Use Proper Fasteners: Self-drilling screws with sealing washers are essential for metal/PVC; follow spacing guidance.

04/

Overlap Correctly: Maintain side and end-lap dimensions per the manufacturer to improve water and wind performance.

05/

Seal Joints: Apply suitable sealants at ridges, end-laps, and penetrations.

06/

Inspect After Installation: Especially after storms—retighten fasteners and check flashings.

 

Quality Certifications

 

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Packaging & Delivery

We understand that trapezoidal roofing sheets are long, precision-formed products, so we have developed a specialized packaging solution to protect your order during international shipping:

 

Specialized Packaging: Each bundle of sheets is first wrapped in waterproof plastic film to prevent moisture damage during transit. We add heavy-duty edge protectors to every bundle to prevent chipping or damage to the sheet edges, which is critical for ensuring a watertight installation. The bundles are then secured with steel straps and mounted on solid wooden pallets or custom wooden crates for extra-long sheets, to prevent bending or deformation during handling.

 

Lead Time: For standard, in-stock profiles and colors, we can arrange delivery in 7-15 days. For custom profiles, colors, or large bulk orders, the lead time is 10-20 days after receiving your deposit, based on your order quantity.

 

MOQ: Our standard minimum order quantity is 28 tons. For first-time trial orders, we are happy to negotiate a smaller MOQ to help you test our product quality before placing a large bulk order.

 

Loading ports: Our standard loading ports are Qingdao Port and Tianjin Port in China.

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FAQ

 

Q: Will you deliver the goods on time?

A: Yes,we promise to provide best quality products and delivery in time no matter if the price change lot or not, Honesty is our company's tenet.

Q: How can I get your quotation as soon as possible?

A: The email and fax will be checked in 24 hours, meanwhile, the skype will be online in 24 hours. Please tell us the order information about quantity, Specification(steel type, material, size) and destination port, you will get the latest price.

Q: How about the sample if i need?

A: The sample will be offered for free if you need, but the freight will be covered by our customer. If we have cooperation, the freight will be covered by our company.

Q: How about the MOQ?

A: Generaly, the trail order will be accepted. The MOQ can be confirmed according to the different products.

Q: How about the delivery time?

A: Within 15-30days after receiving the deposit or LC at sight. Of course, the detal will be confirmed by the quantity and the different products

Q: What is the ideal thickness for a roofing sheet?

A: The ideal thickness of a roofing sheet should range from 0.35 mm to 0.50 mm for residential use. However, it also depends on the material and structural requirements.

Q: Which roof sheet is used for hot climates?

A: In hot climates, metal roofing sheets with reflective coatings or PUF-insulated sheets are excellent for reducing heat absorption.

As one of the most professional roofing sheet manufacturers and suppliers in China, we're featured by quality products and good price. If you're going to wholesale bulk roofing sheet made in China, welcome to get free sample from our factory. Customized orders are welcome.

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