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GL corrugated board

It’s a collection of Hot-dip galvanized color-coated steel plate、Printed steel plate、Galvanized plate、Nano film heat insulation plate、Corrugated plate、Load bearing plate、Color aluminum plate、Aluminum magnesium manganese plate、Zinc aluminum magnesium plate production, sales and export trade and comprehensive enterprise integrating research and development of new building materials.

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Corrugated Board

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GL corrugated board

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Galvanized roof panels are widely used in commercial, residential, agricultural and industrial applications. It is covered with an aluminum-zinc alloy coating for excellent corrosion and heat resistance. Due to its excellent performance, it is ideal for homeowners, contractors, architects and investors.


Galvanized roof panel	GL roof panel

Advantages of galvanized roof panels

1. Superior corrosion resistance

The aluminum layer gives aluminized zinc-plated steel excellent corrosion resistance. When zinc wears, aluminum forms a dense alumina layer, preventing corrosion-resistant substances from further corroding the interior. So the corrosion resistance of GL sheet is 3 times that of galvanized sheet. Under the same circumstances, the service life of GL roof panel is 2-6 times that of GI roof panel.

2. hot topic reflectivity

Its reflection coefficient is twice that of galvanized metal roofing panels, which can reduce indoor temperatures in summer and reduce the power consumption of air conditioners. This feature makes it ideal for hot climates.

3. High temperature resistance

GL roof panels have good heat resistance and can withstand high temperatures above 300 degrees. Therefore, they can be used for a long time at high temperatures.

4. Smooth surface and uniform appearance

Galvanized roof panels are smooth, silvery white with uniform sequins. Looks beautiful and can be used directly. Therefore, it is widely used for commercial and residential purposes.

5. Good formability and adhesion

Adhesion between GL coatings and good paintability, easy to paint. In addition, it has excellent formability. That is, easy to punch, cut, etc.

These characteristics of galvanized roofs make them popular in many projects.


Myopia of GL	Galvanized roof panel	inner packaging

Uses of galvanized roof panels

Galvanized steel roof panels are used for residential and commercial roofing installations.

1. Commercial buildings - hospitals, schools, shops, government buildings, etc.

2. Residential projects - private houses, apartments, temporary houses, garages, etc.

3. Industrial applications - warehouses, factories, etc.

4. Agricultural use - barns, storage rooms, greenhouses, etc.


Galvanized steel roof	Galvanized Roofing System

What is galvanized metal roofing panel?

Galvanized metal roofing panel is a building material. It is made of galvanized coil, which is a steel coated with a mixture of 55% aluminum, 43.4% zinc and 1.6% silicon by hot dip galvanizing process. Aluminum zinc alloy protects the base steel from corrosion and rust. It has many advantageous properties such as high heat resistance, excellent corrosion resistance, excellent formability, high reflectivity, etc. Therefore it is suitable for most applications, including extreme environments.

What color is the galvanized metal roof?

Do galvanized steel come in different colors? In fact, the color of GL steel is silver. It doesn't look as shiny as galvanized steel. But its sequins will be more even and uniform. If you want colored roof panels, you can choose PPGI or PPGL roof panels.