How to Make Corrugated Iron
Corrugated iron is a piece of iron sheet metal manufactured with folds forming identical series of grooves and ridges or round wavy shapes. This adds strength and firmness to the lightweight iron metal sheet. You can make your own corrugated iron at home for your roofing project. The process involves cutting flat sheet metal into the size you require and then feeding it into a set of rollers of a roll-forming machine.
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Instructions
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Put on your apron and work gloves. Lay out the iron sheet metal on to your workbench. Measure the length of the roll-forming machine using a tape measure to determine the size of iron metal sheet that can be fed into it. Alternatively, rent or obtain a machine that can accommodate the sizes of the corrugated iron you require for your project.
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Measure the size of the metal sheet that you need for your project with a tape measure. Place a mark indicating the cuts location. Draw straight lines on the metal to show the cutting lines using a grease pen. Accuracy is essential because using the wrong measurements will cause you to waste both your time and material. Use sketches, shop drawings and blueprints to obtain exact measurements if necessary.
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Cut the metal. Position the top blade of a metal snip over the cut line while holding the metal firmly with the other hand. Squeeze the handles of the tin snip together to cut through the metal. Ensure that you use only three-quarters of the blade length so as to avoid wrinkling the metal. Widen the jaws of the snip and slide the blades into the cut lines. Snips function like scissors and are easy to use.
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File down the sharp edges of the sheet metal that is now cut with a metal file.
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Set the cut metal sheet to the two front rods -- the feed rolls -- of the roll-forming machine. Adjust them if necessary to accommodate the thickness of the metal. Ensure that you have set it in a straight manner.
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Set the machine to run at normal speed, between 50 and 250 feet per minute. The flat iron sheet metal will be power-fed into the roll-forming machine. It will then be passed through the rolling rods or roller dies that will bend it progressively to form straight symmetrical profiles. Once completed, it will be released at the outlet or post-production system.
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