Color Roofing Sheet manufacturer

Jiangsu Taigang Puxin Stainless Steel Co., Ltd. is a sophisticated manufacturer of steel products. It’s located in Wuxi, which is the biggest base of stainless steel products in China and is also near to Shanghai. We have been devoted in steel industry for nearly 15 years and developed many faithful clients in Europe, South America, Mid-East, India and etc. We have a wide range of stainless steel products. Other metal products are also available if customers require. The annual export volume is about 1000,000 tons. And we promised almost all inquiry will be dealed with within 3 hours. "Punctuality,Integrity, Humanization service” has always been the development principle that strictly adhered by our company and all stuff all the time.At present, we have five finishing rolling production lines and two hot rolling production lines . Further more advanced automatic width control system (AWC), automatic thickness control system (AGC), bending roll system, work roll channeling roll system and other effective measures are adopted to guarantee product quality.

Color Roofing Sheet Price: Factors Affecting

The main factors affecting the price of color roof slab are the thickness of raw materials (basic steel) and zinc layer, paint thickness, paint material brand, steel plate thickness and packaging method.

1 Zinc thickness:
Price depends on different thickness of zinc. For example, the price of 20 grams of zinc and 50 grams of zinc vary greatly. If the customer does not have requirements for zinc, it is recommended to select steel coil of about 23-25 grams of zinc. But the PPGL hould also indicate the aluminum content, and the price has big difference of PPGL with 25% and 55% aluminum content . If the customer uses the general environment, it can choose about 25% aluminum content. ; if used in wet, outdoor and perennial tropical climates, please choose PPGL with higher aluzinc content.

2 Paint thickness:
There are single painting and double painting ppgi. Generally, the single coated paint top piant thickness is 11-30um and the back paint is 5-10um. The double paint PPGI top paint thickness is 11-30um And back paint also 11-30um. The price of a single-coated PPGI is lower than double-coated PPGI. Customers need to choose PPGI according purpose and environment.
The influence of paint materials and brands on the price of color coated rolls: paints are mainly divided into: PE resin paint, Nippon paint, PVDF paint and Akzo Nobel paint. PE paints are used the most, and the price advantage is relatively large. Nippon Paint, PVDF Paint and Akzo Nobel Paint have a longer life than PE paint, but at a higher price. Customers also need to choose a paint brand based on the application site and environment of the color coated roll.

3. Thickness of steel plate and basic steel:

The thinner the steel plate, the higher the price. For example, the price of 0.13-0.16 is relatively high, the price change of 0.3-0.45 is small, and the price of 0.45-0.7 is basically the same. Because the thinner the color coating roller area is less than 1 ton. It will use more paint and longer processing time.


4 Packing:
Packaging has simple packaging, standard export packaging and special packaging.
Simple packaging, suitable for short-distance transportation, the outer layer is waterproof kraft paper protection, the protection performance is simple, and the price is cheap.
The outer surface of the standard export packaging is waterproof kraft paper and galvanized iron packaging. The besides of the coil are also protected by galvanized iron. It is used for long-distance transportation and steel wire reinforcement in containers. It can better protect the color coated roll from the surface of the roll. And the waterproof effect is better. TThis type of packing is most widely used.

Introduction of Color Roofing Sheet

Certifications:ISO 9001,SGS,BV
Payment Term:T/T, L/C, WeChat pay, Alipay, etc
Our Own Factor:Competitive price and quality
Quick delivery and standard exporting package OEM/ODM

Standard Specification Of Color Roofing Sheet

Thickness0.12-0.8mm
Width660mm to 1150mm
Length1000-11800mm or as your requst
Surface1.Galvanized2. PVC,Black and color painting3. Transparent oil,anti-rust oil
Finishstandard export packing (inside:water proof paper,outside:steel covered with strips and pallets)
ApplicationFence, greenhouse, door pipe,greenhouse2. Low pressure liquid, water, gas, oil, line pipe3. Forboth indoor and outdoor the building construction4. Widely used in scaffolding construction which is much cheaper and convenient

Color Roofing Sheet grade

GradeDX51D+Z
CS ASGCC
SGC340
S220GD+Z
DX52D+ZCS BSGCDSGC400S250GD+Z
DX53D+ZCS C
SGC440S280GD+Z
DX54D+ZFS A
SGC490S320GD+Z
DX56D+ZFS B
SGC510S350GD+Z
DX57D+Z

SGC570S550GD+Z

How long can the painted roof last?

Although humidity helps corrosion, temperature itself has less of an impression.

Galvanized coating does well in extreme environments due to its protective layer.

The zinc layer of “hot-dipped” galvanized metal will last within the worst soil from 35 to 50 years and in less corrosive soil for 75 years or more.

How To Choose Color Roofing Sheet?

When choosing Color Roofing Sheet, thickness, and color are usually considered.

You also need to pay attention to the mechanical properties of the substrate, such as yield strength.

The weight of the zinc coating of the galvanized steel sheet, the painting performance of PPGL (thickness, powder resistance, durability) and the type of painting, etc.

Common types of Color Roofing Sheet


Color Roofing Sheet production process:

This is the Color Roofing Sheet Profile:

  • Top(Finish) Coating
  • Primer Coating
  • Chromate Coating
  • Zinc Coating
  • Base Metal(Cold Rolled Steel Sheet)
  • Zinc Coating
  • Chromate Coating
  • Epoxy, Polyester

The substrate is an annealed cold-rolled steel coil.

Chromated paint is used for cleaning the surface of the cold-rolled coil.

After Chromated, the next is zinc coated. The coil becomes a Color Roofing Sheet coil now.

After zinc coated, the next is Chromated again, for cleaning the galvalume steel coil surface again.

The primer coating is used for increasing the adhesion of the top coating. When cold roll forms, the paint will not fall off.

The top paint coating metal is PE or PVDF.

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