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    You may have noticed ripples designed metal sheets which are widely used in the construction industry as a roofing solution. Do you know what are these rippled sheets with wavy ridges called? Sheets with such peculiar designs are known as corrugated sheets. They are widely used in construction projects for various reasons. This article will explain the definition of corrugated sheets, their usage, benefits, types, and more.

    What is a corrugated sheet?

    Let’s understand what is the meaning of corrugated sheets? As explained earlier, a corrugated sheet is defined by its peculiar ripples-like design. As per the application, these sheets are available in various materials such as metal, plastic, and so on. There are various kinds of corrugated sheets available in the market such as corrugated aluminium sheets, polycarbonate corrugated sheets, polypropylene corrugated sheet, etc.

    Depending on the type of raw material used, features of the corrugates sheets may vary. However, some of the benefits of a corrugated sheet include durability, lightweight and . This makes them the right choice for the construction projects.

    Also read: Corrugated metal pipe – Sizes, prices, uses

    How are corrugated sheets manufactured?

    Depending on the type of corrugated sheet i.e., plastic or metal, the manufacturing process changes. To give an example of the manufacturing process, here is how corrugated metal sheets are manufactured.

    Step 1: Metal sheets are made from metal coils. First, raw material such as aluminium, copper, steel, zinc, etc., are melted to make metal coils. For example, for making stainless steel corrugated sheets, first, stainless steel coils are made. Depending on the application, usage and expected features, the combination of metals change.

    Step 2: The metal coils go through a coating process. Although the coating treatment changes suiting the application, many times metal coils are coated with paint and then baked in high temperatures.

    Step 3: In the next step, coated metal coils are processed through a roller former. It is here corrugated sheets attain the required design, grade and thickness. Then sheets are cut in specific lengths.

    Step 4: The last stage is the quality check. The manufactured sheets undergo quality checks before going to the market.

    Apart from metal, corrugated sheets are also made of various other materials such as polycarbonate polypropylene, etc. Depending on the material the manufacturing process changes.

    Corrugate sheets: Applications

    Metal corrugated sheets are mainly used in the construction industry for two purposes – roofing and siding.

    Roofing: There are multiple advantages for using corrugates for roofing. Mainly it is preferred as a roofing solution because of its features such as durability. Moreover, corrugated roofing sheets are economical to install and lightweight. Another advantage of a metal roofing sheet is its capability of supporting large weights without buckling. Another important benefit of corrugated roofing sheets that they prevent water buildup. As a result, it is useful for residential as well as industrial buildings.

    Some of the other benefits of corrugated roofing sheets include:

    • Maintenance free
    • Leakproof
    • Capable of withstanding adverse weather conditions such as torrential rains, hailstorms, high winds, etc.
    • Rust resistant
    • Aesthetic appeal

    A report by IMARC Group, a market research company, suggests that corrugated roofing sheets are extensively used in India in the agricultural sector for protecting garages, porches, and sheds. Furthermore, the demand in the sector is expected to increase as the agriculture industry grows. Some of the other uses of corrugated sheet as a roofing solution includes – porch, fence, etc.

    Metal siding: Corrugated sheets are also used for siding for various reasons. One of the important aspects is preventing termite infections. Unlike wood, metal corrugated sheers are not prone to termite infections. When wooden structures are infected by termites, there is no option left but to change the siding. However, such challenges are eliminated with corrugated sheets. Because of this, metal siding turns out to be a popular choice in areas that are prone to termite infections. Moreover, it works well even in areas that expect regular storms or significant snow.

    Some of the other beneficial features of metal siding for industrial buildings are:

    • Low maintenance
    • Fire resistant
    • Moisture resistant
    • Recyclable

    Pricing of corrugated sheets varies depending on various aspects such as material, grade, quality and so on. Price of a metal corrugated sheet roughly starts from ₹250 per meter and can go up to ₹600 per meter.

    How to choose the right type of corrugate sheet for your project?

    Corrugated sheets are significantly popular in both segments – roofing and siding. Here are some tips to choose the right type of sheet for your project.

    • Determine the requirements of your project for example, if it is a residential or an industrial project. If it is industrial, what kind of environment does the sheet have to withstand?
    • Check weather conditions and harsh weather such as regular torrential rains, hailstorms, humidity, etc.
    • Depending on usage and weather conditions, shortlist the material. For example, galvanised steel cannot withstand salty water and metal rusts. Therefore, it is not the right choice for coastal areas.
    • Along with the material, it is also important to narrow down on other specifications such as grade, coating, etc. for selecting the right corrugated sheet for your project.
    • Procure sheets from reliable sources. You can easily procure corrugated sheets from Tata nexarc’s Procurement. It is an easy and hassle-free way to procure raw material. You can post your requirement with expected quality standards and specifications, get quotes from sellers, evaluate quotes and confirm an order by making payment. The delivery of the required quantity of raw material will be at your doorstep.

    Concluding remarks

    Corrugated sheets offer multiple advantages when used as a roofing solution or siding. The wavy design offers aesthetic appeal too. However, they need to be carefully selected considering all the aspects of the project and location. Additionally, quality is an important aspect. If you choose the right corrugated sheet for your project, it is assured to last for two decades or more.

    Swati Deshpande

    Swati is a passionate content writer with more than 10 years of experience crafting content for the business and manufacturing sectors, and helping MSMEs (Micro, Small and Medium Enterprises) navigate complexities in steel procurement, and business services. Her clear and informative writing empowers MSMEs to make informed decisions and thrive in the competitive landscape.