Galvalume Corrugated Metal Roofing Sheet

Galvalume corrugated metal roofing sheet is a popular choice for both commercial and residential buildings. Not only is it durable and long-lasting, but it also has a variety of other benefits. One type of metal roofing that has become increasingly popular in recent years is Galvalume roofing. Galvalume corrugated roofing sheet is made with a special coating that makes it more resistant to corrosion and rust.

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It also reflects heat better than traditional asphalt shingles, which can help reduce energy costs. If you’re considering metal roofing for your next building project, read on to learn more about Galvalume corrugated metal roofing and its many benefits.

What is Galvalume Metal Roofing Sheet?

Galvalume metal roofing sheet is a type of roofing material that is made from a combination of aluminum and zinc. This combination creates a durable, weather-resistant material that is ideal for use on roofs. Galvalume metal roofing sheet is available in a variety of colors and styles, making it a popular choice for both residential and commercial applications.

Galvalume metal roofing sheet is a kind of building material. It is formed with galvalume coil, which is a kind of steel coated with a mixture of 55% aluminum, 43.4% zinc, and 1.6% silicone through the hot-dip galvalume process. The aluminum-zinc alloy protects the base steel against corrosion and rust. It has many advantageous features, such as high heat resistance, superior corrosion resistance, excellent formability, high reflectivity, etc. So it is suitable for most applications, including in extreme environments.

What Color is Galvalume Metal Roof?

Galvalume corrugated metal roofing sheet is available in a variety of colors, including traditional gray, black, green, and blue. While the most popular color is gray, Galvalume also offers a variety of other colors to choose from. Black is the second most popular color for Galvalume roofs, followed by green and blue.

Does galvalume steel come in different colors? In fact, the GL steel is silver in color. It looks not as shiny as galvanized steel. But its spangles will be more even and uniform. If you want a colorful roofing sheet, you can choose PPGI or PPGL roofing sheets. Below are two pictures of GI and GL roofing sheets for your reference.

Specification of Galvalume Corrugated Steel Roofing Sheet

Galvalume Corrugated Metal Roofing Sheet is made of aluminum-zinc alloy that contains about 55% aluminum, 43.4% zinc and 1.6% silicon. This high corrosion resistance alloy allows for a much longer lifespan of the roofing sheet when compared to other metals such as uncoated galvanized steel. The smooth surface of Galvalume Steel Roofing Sheet provides an excellent base for paint, resulting in a finish that looks similar to freshly painted metal.

Material: GL steel (DC51D+AZ)
Thickness:0.15mm-0.8 mm
Overall Width:700mm-1,250 mm
Overall Width:600mm-1,050 mm
Al-Zn Coating Content: Aluminum (Al) 55%, zinc (Zn) 43.5%, silicon (Si) 1.5%
Al-Zn Coating Thickness:60 g/㎡-185 g/㎡
Length:As per your requirements
Surface Treatment:Passivation and fingerprint resistant treatment
Packaging:Standard export packaging

Uses for Galvalume Roof Panels

Galvalume roof panels can be used in a variety of applications, from residential to commercial. It is ideal and excellent choice for both new construction and retrofit projects. It is available in a variety of sizes and gauges to suit your project requirements.Because of their durability, energy efficiency, and low maintenance requirements. Galvalume roofing is also available in several different profiles, including corrugated, standing seam, and flat pan.

  • Commercial buildings – hospitals, schools, stores, government buildings, etc.
  • Residential projects – private homes, apartments, makeshift houses, garages, etc.
  • Industrial applications – warehouses, factories, and more.
  • Agricultural uses – barns, storage houses, greenhouses, etc.
usage of galvalume corrugated metal sheet
usage of galvalume corrugated metal sheet-1
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Benefits of Galvalume Roofing Sheet

Galvalume metal roofing is a durable and economical way to protect your home or business. It is made from steel that has been coated with a layer of aluminum-zinc alloy. This coating provides excellent corrosion resistance, making it an ideal choice for areas that are exposed to salt air or industrial pollution. The aluminum-zinc coating also reflects heat, keeping your building cooler in the summer. Galvalume metal roofing is available in a variety of colors and styles to complement any architecture.

  • Superior Corrosion Resistance. The aluminum layer offers galvalume steel excellent corrosion resistance. When the zinc is worn away, the aluminum forms a dense layer of aluminum oxide, preventing corrosion-resistant substances from further corroding the interior.
  • High Heat Reflectivity. Its reflection coefficient is twice that of galvanized metal roofing sheet, which can reduce the indoor temperature in summer and reduce the power consumption of air conditioner. This feature makes it perfect for hot climates.
  • High-temperature Resistance. GL roofing sheet has good heat resistance and can withstand high temperatures of more than 300 degrees. Therefore, it can be used for a long time at high temperatures.
  • Smooth Surface & Uniform Appearance. Galvalume roofing sheet is smooth, silvery-white in color with uniform spangles. It looks beautiful and can be used directly. Hence, it is widely used in commercial and residential uses.
  • Great formability & Adhesion. The adhesion between GL coating and paint is good, which makes it easy to paint. Also, it has great formability. That is, it is easy to stamp, cut, etc.
    These features of galvalume roofing make it popular in many projects. At Wanzhi Steel, we promise to offer you quality roofing sheets. Besides, third party quality inspection is acceptable. So no matter where you will use the roofing sheets, you can try GL roofing panels.

Request Galvalume Roofing Sheets Price

When you decide to purchase Galvalume corrugated metal roofing sheets for your home or business, it is important to request a price from the supplier. This will ensure that you are getting the best deal on the market. There are a few factors that can affect the final price of the product, so it is important to be aware of these before making your purchase.

  • The first factor is the thickness of the sheet. The thicker the sheet, the more expensive it will be. However, this also means that it will last longer and be more durable. If you are looking for a cheaper option, you can opt for a thinner sheet.
  • The second factor is the size of the sheets. The larger the sheets, the more expensive they will be. However, you may need fewer sheets if you have a large area to cover.
  • The third factor is the type of metal used in the manufacturing process. Galvalume is made from aluminum and zinc, which makes it more expensive than other types of metal roofing sheets. However, this also makes it more resistant to corrosion and fading.
  • The fourth factor is whether or not the supplier offers discounts for bulk purchases. If you plan on buying a large number of sheets, you may be able to get a discount from the supplier. This could save you a significant amount of money in the long run.
  • The fifth factor is shipping costs. Some suppliers charge extra for shipping, so be sure to ask.


Galvalume corrugated metal roofing sheets are a great option for those looking for a durable and long-lasting roofing solution. With a variety of colors and styles to choose from, it can match any home or business style. Galvalume roofing sheet is popular for commercial, residential, agricultural, and industrial applications. It is covered with a coating of aluminum-zinc alloy, which gives it superior corrosion and heat resistance. Due to its superior performance, it is an ideal option for homeowners, contractors, architects, and investors.

We have a wide range of galvalume metal roofing sheets in sizes and designs to meet your requirements. Welcome to contact us for more details! Or request for information!

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