Corrugated Galvanized Iron (CGI)

Corrugated Galvanized Iron (CGI) or roofing sheets that CamaSteel sells are building materials used typically for roofing and go through a hot-dip galvanizing zinc coating process. The corrugated roofing sheets that CamaSteel sells are through a trusted and quality steel producer and supplier that offers CGI of varying standards, grades, and material based on consumer demand. With widths, lengths, and color being customizable, these CamaSteel CGI products are sure to meet your desired needs. CGI is commonly used in industrial and civil construction, steel structured buildings, and producing roofing sheets. We specially allow for adjustable hardness of the steel roofing also for differing uses.

CamaSteel Steel Background

Our CGI roofing that we offer on CamaSteel provides steel solutions for countries beyond China crossing Southeast Asia, Middle East, Africa, and others. Along with providing quality CGI roofing products, CamaSteel is able to find ideal for shipment solutions. With our experience and knowledge in steel products, our CGI roofing is preferable to other steel solutions. Our extensive experience in sourcing steel products ensure that the purchasers will receive the greatest flexibility of desired steel product dimensions along with assistance both from our suppliers and CamaSteel experts.

Production and Application of CamaSteel CGI

Modern corrugation processes for corrugated galvanized steel roofing undergoes roll forming. This process is highly automated to achieve the lowest cost and highest effectiveness. The sheet metals are pulled off huge rolls, rolled for corrugation, and sheared off at the desired length. CGI offered by Fuhaixin through CamaSteel is hot dipped galvanized in zinc which help with the preservation of the steel sheets. The corrugated galvanized steel roofing sheets that CamaSteel sells is typically used in buildings, military use, sheds, water tanks, and other applications that require corrugated steel roofing. Users of CGI seek to purchase roofing material that is waterproof, floor decking, and other uses.

What Is A Corrugated Roofing Sheet? 

Corrugated Roofing Sheets are low-cost materials used in roofing. They come in big panels that are designed to ensure an easy installation process while providing resistance to weather conditions. It is often used on garages, sheds, and several other auxiliary structures, and it can also be used for siding. 

Plastics and metals are both used in the manufacturing of corrugated roofing. Metals are durable, making them suitable for use in harsh climatic conditions, and can also be painted in several colors, for those who don't want a plain metal roof. Plastics are opaque or clear, while some people use clear plastic corrugated roofing as a means of cheap skylights, allowing light to enter the structure without the use of a skylight. 

What Is The Cheapest Roof Sheeting? 

The cheapest roof Sheeting available for a pitched roof is a bitumen. However, if you're considering the life span, concrete roof tiles are your best choice. 

What Is The Best Type Of Corrugated Roofing? 

The best type of corrugated roofing is polycarbonate. Polycarbonate is an extremely strong material made with corrugated polycarbonate sheets which are unbreakable and resistant to UV rays damage. This means it can't degenerate or discolor for a long period. Polycarbonate sheets are also flexible and are used on roofs for various designs. 

What Size Are Corrugated Sheets? 

Corrugated Sheets are usually available in several dimensions that can fit standard roof trusses, joists, or rafter layouts. The panel of corrugated sheets varies in width, length, and thickness. While there are several options for length, the width of the corrugated sheets confirms the standard spacing between joists or rafters. 

The standard width of a corrugated sheet is 26 inches, which accommodates the trusses, joists, and rafter spacing of 24 inches. The extra inches allow for the roof's panel ribs or corrugations to overlap successfully and to stretch between external edges of opposite rafters. The standard length of a corrugated sheet is between 8 feet to about 24 feet. 

How Long Will A Corrugated Steel Roof Last? 

The lifespan of a corrugated steel roof is longer than other types of roof. A properly installed corrugated steel roof is expected to last for at least 40 to 150 years depending on the steel type. 

How Do You Fasten Corrugated Roofing? 

Corrugated roofing is easy, quick, and can be done by oneself. You just need some basic tools and materials. Here is how you can fasten your corrugated roofing. 

• Cut the roofing panel to the desired length. Due to the availability of roofing panels in several sizes, you might have to cut down the length and width of your panels before use. You can make use of an angle grinder, circular saw, tin snips, or nibbler. 

• Pre-drill holes on the panel ridges. Some roofing panels do have pre-drilled holes while some don't. If your's don't have one, you'll have to drill holes in them. To drill the holes, use a 3/16 in a 4.8mm drill bit. Spacing on the sides and ends should be 15 to 20 centimeters (6 to 8 inches). 

• Install the roofing panels. You can place the panels directly onto the purlins which are attached to the trusses, starting on the outside edge. Seal off or close the ends with a plastic strip or wood under the panel at every end. These will stop pests, wind, and rain from entering. 

• You can now go ahead to screw down the roof panels by using 10 by 2 inches screws (25.4 by 5.1 cm) and polycarbonate washers. You can continue screwing across the roof until it is covered completely, lapping over the preceding panel by a minimum of 6.4 cm(2.5 inches). 

What Is The Best Roof Sheet? 

Roof sheets are available in several materials. There are various factors to be used in determining the best roof sheet, however, your type of project, location, and budget would help in deciding which roof sheet is the best for you. 

• Bitumen Roof Sheet 

Bitumen Roof sheets are strong and very unlikely to crack, even during unfavorable weather conditions. They are good choices for use in outbuildings and garages as they're available in various colors and they are always lightweight and easy to fit. Each roof sheet can be easily cut so installation is an easy process. 

• Metal Roof Sheet

Metal roof sheets are the best choice when longevity is expected. It has a life expectancy of about 40 years. They are cost-effective, lightweight, and temperature resistant. Metal Roof Sheet doesn't rot like other roof materials. They're versatile and can be easily altered with several finishes to improve their looks and reduce weather noise. 

• Polycarbonate Roof Sheets

Polycarbonate roof sheets can withstand weather and temperature changes, making them a perfect choice for greenhouse and conservatory roofs. Polycarbonate is also a good choice if you're willing to change from using traditional glass and still want to get skylights. Polycarbonate allows the entrance of daylight while still protecting you from UltraViolet.

• PVC Roof Sheets 

PVC Roof Sheets are a great choice for DIY projects. It is also cost-effective and lightweight. It is also easy to maintain, resilient and fire-resistant. 

• GRP Roof Sheets

GRP Roof Sheets are also known as glass-reinforced plastic or fiberglass roofing. GRP is similar in appearance to glass and can be opaque, translucent, or colored, making it an aesthetically pleasing option for use. It is also highly durable and easier to maintain. 

How Much Are Corrugated Roofs? 

Corrugated Roofs can cost between $10'00 to $19,000 for installation or an average of $14,500 for a 3,000 square root roofing. The overall cost to be spent on corrugated roofing is dependent on the type of corrugated material, slope, size, and pitch of the roof. The cost of the roof is dependent on the cost of production and other underlying factors. You can use the request quotation option to make an inquiry about the recent price.

Which Roofing Material Lasts The Longest? 

The more long-lasting roofing materials are the clay, concrete, or slate tiles. They outperform other manufactured and natural products. 

Which Roof Sheet Is Best For Hot Climate? 

The best roof sheet that can be used by homeowners in a hot climate is slate, metal, rubber, or clay roofing sheets. These roof sheets excel under extreme temperatures. 

What Is The Standard Thickness Of A Roof Sheet? 

The thickness of a roof sheet varies based on the material used in manufacturing the sheet. The thickness of a metal roof sheet is referred to as a gauge by building professionals and the thickness of plastic in millimeters or inches. Higher gauge metals are less thicker than lower gauge metals. Both plastic and metal panels are available in several varieties of thickness. 

How Much Should Corrugated Roofing Sheet Overlap? 

Corrugated roof needs to overlap mainly in width for longer roof lengthways also. 

• Width Overlap 

Corrugated roofs should be overlapped with at least one or two corrugation peaks depending on their pitch. For roofs with a pitch greater than 10°, it should be overlapped with one corrugation peak while for roofs less than 10°, its corrugation should be two corrugation peaks. 

• Length Overlap 

For long roofs, it's expected you overlap the roof sheet lengthways depending on the roof pitch. For pitch of 15° degrees or more overlap with 180mm, for pitch between 10-15° overlap with 220mm while for pitch between 5-10° overlap with 320mm. 

What Are The Disadvantages Of A Metal Roof? 

Despite the several advantages that abound from using a metal roof, they also have some disadvantages. 

• Cost

Metal roofs are quite more expensive than other roofing materials. While the lifespan of a metal roof is longer, it is only advisable to invest in a metal roof if you'll be staying long in your home. 

• Noise

Metal roofs can be noisier during rain or hailstorm than other roof sheets depending on the decking used. Adding attic insulation sometimes solves this problem, however, that also increases cost.

What Is The Cheapest Metal Roofing? 

The cheapest metal roofing is corrugated steel panel roofs. They cost about $3.50 to $6.00 per square foot. The total average cost of installation would be about $10,500 to $19,000. 

What Is The Minimum Pitch For A Corrugated Metal Roof? 

A corrugated metal roof requires a minimum pitch of 3" in 12". It is not meant for a rod with a low pitch. 

How Do You Seal The Ends Of A Corrugated Roof? 

While installing a corrugated roof, to prevent water intrusion you have to seal the ends. To seal corrugated roof ends, insert a butyl caulking tube into a caulk gun, and by using sharp scissors snip the end. Over the seam where the roof panels overlap, apply a ¼-inch bead of caulk. Work your way through the roof applying the caulk all over the seams to seal them up. 

How Many Screws Are In A Corrugated Roofing Sheet? 

In a corrugated roof sheet, there'll be four screws per screw line placed in the corrugated panel high. The screws are spaced in such a way that every third corrugation panel has a screw. 

Do You Pre-Drill Metal Roofing? 

Oftentimes, the screws attached to metal roofing sheets are self-drilling screws. This means the screw drills its hole through the roof sheets and into the wood. Therefore, you don't need to pre-drill metal roofing. However, there are certain conditions where pre-drilling would save time and make sense. 

Here at Camasteel we have Corrugated Galvanized Iron (CGI) for sale.

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