How to Cut Colorbond Roofing Sheets | Important Points You Must Know


This article will inform our readers on how to cut colorbond roofing sheets, how to cut metal roofing sheet benefits of colorbond roofing sheets, and how to cut roofing materials with shears and various roofing sheets cutting equipment, and many more. When building a roofing structure made from corrugated cardboard that has a complicated form or connecting in general, it is required to cut the roof material. Quality of processing The sheet’s initial shape and the coating is dependent on the equipment used.

How to cut colorbond roofing sheets

Colorbond roofing sheets, also known as polycarbonates, are a form of plastic employed to construct or modify windows. It is typically available as sheets, and it is simple to cut. Thinner polycarbonate sheets can be cut and scored using a utility knife. You could also employ circular saws to cut colorbond roofing sheets. Suppose you are looking to cut out irregular shapes and angles in polycarbonate. In that case, you can make use of the vertical cut saw. Be sure to put on a protective eye shield and gloves, and earmuffs while using power tools.

Read another info guide: How to measure a roof for roofing shingles

How to cut colorbond roofing sheets

Place the color bond roofing sheet

Remove the plastic and place it on an area such as a table or sewing table. Any surface is suitable so long as it’s stable, flat with an edge. You’ll require letting the plastic piece hanging off it to split it for scoring and splitting an edge. This makes tables with corners or areas that are tight a bad option to use this technique. When the plastic is less than one millimeter (3 millimeters) thick, you could cut it in half and then break it. Put in gloves as well as an eye mask to shield yourself. When you break the polycarbonate, small pieces of plastic could fall off the line you cut. To prevent injury to your hands or eyes, wear goggles that are protective and put on thick gloves.

Cut the line

Make the cuts you wish to make using the help of a tape measure. You can also use straight edges so that the line appears straight. Place the straight edge precisely to the line you intend to cut. Place your marker with a 45-degree angle pointing towards the point between your straight edge meets plastic meet. The marker should run along the line, marking the cut. You can use grease pencils, permanent markers, or dry erase markers to draw the cut.

Position the cutting line

Secure the cable tie. Place the cutting line close to the edge of the work surface. Attach the plastic sheet to the table using the bar or “C” clamps. If not, place a large object inside the sheet of plastic.

Make a line using a knife

Draw a straight line along your cutting line. Place the utility knife on the straight edge near the bottom of the line near the highest point. Press the knife down slowly and then move the knife’s blade at an angle of 45 degrees to the cutting lines. Make sure to press it along the entire cut line while cutting the plastic around halfway. It is not necessary to press very hard. The objective is not to cut the sheet of plastic but rather to cut it in half and then break the section once it becomes weak.

It is important to turn the sheet before cutting the opposite side when necessary. After making the cutting line then open the clamps to let the sheet go. Test pressing the edge that hangs off the table to check whether it moves. If it isn’t giving any movement, turn your foil and then secure. Make sure you mark the line is cut onto the second side, in the same manner, you mark in the initial side. In the case of a sheet that is fragile, you may not have to cut it.

Secure the foil must so that the line is 2 to 1 inch (3-5 cm) over the edge. Take the foil off and then clamp it onto the table, ensuring it does not move when you press on the edge. Examine the clamps to ensure they are in good condition and ensure the cutting line isn’t floating over the table.

Cut off extra colorbond

Reinforce the center of the sheet to your table and press down on it using your hands that are not dominant. The plastic sheet should be held still and hold the piece of excess you identified using your dominant hands. It should be lifted a little and then pressed down with firm pressure. The part you’re pressing will break off instantly. Marking is the simplest method of creating a neat line using the thinnest of sheets of polycarbonate.

Benefits of colorbond roofing sheet 


Colorbond is among the most durable and modern building materials available today. It has been tested and tried for more than 50 years in the harshest environments found in Australia. It’s also termite-proof, which means it’s not just beautiful but also is long-lasting and long-lasting. It’s an excellent choice for roofing replacements that are dramatic.

Water collection

They could also collect more rainwater to fill your rainwater storage tanks. If the natural collection of water is essential to you, whether for your garden, home animals, and so on. A colorbond roof is superior to concrete tiles due to its capacity to absorb. Colorbond is a corrugated metal that has an adsorbent paint finish that protects it from moisture.

Design flexibility

Colorbond roofs provide superior spanning capabilities that make for efficient structures that allow the floor to be more column-free. The broad color palette of the Colorbond collection can also give the designers and owners of buildings the ability to design an aesthetically unique façade. It is Colorbond collection can find in various profiles to meet your house’s design and appearance needs. In addition, since the colorbond with the steel, it won’t require painting as frequently as other metal roofing materials.


Tiles made from terracotta or concrete tend to be more heaving. In reality, a colorbond roofing is typically 1/10th the weight, so the frame for the roof doesn’t need to be as intricate, which reduces the expense of installation. In addition, since terracotta or concrete tiles can absorb water, they can be even heavier during rainy conditions. You must take into consideration the extra weight when creating the structure of support for your roof. Colorbond roofs won’t absorb water, and therefore, you won’t have to worry about fluctuating roof weight.

Energy efficient

While tiles are more affordable to purchase, the total cost will measure by the amount of insulation you choose to add and installation costs, as well as painting costs, and the maintenance that will require in the future, with the thematic technology (in-built within Colorbond) that was invented in 2008 and refined in 2013. Colorbond roofing systems use their reflective power and bounce back heat that penetrates, which cools the home and allows your air conditioner to perform its work without adding additional stress from the top.

How to cut metal roofing


Whatever tools you’ll use, regardless of the tools you will be using, it is important to prepare properly before beginning the work. It’s simpler to cut straight and avoid a sloppy mistake when you’ve done your homework. Begin by putting your metal roofing over your work location. Make sure that the correct side is facing upwards and the sheets are fixated, i.e., will not move during cutting. Adjustable clamps can be used to secure the sheets onto the work surface. The next step is to figure out the number of panels you’ll require according to the measurements of your roof. Include the dimensions of each panel as well as the form.

Once you’ve completed that, use the tape measure to take measurements of the different sizes, you’ll need to cut. Be cautious when marking to make sure there aren’t any gaps. This will ensure that the cut stays straight and help guide you on how to cut the roofing metal. The importance of precision is essential when cutting metal roofing. Small mistakes could damage the structure of the sheet and decrease the roofing’s life span. The last step of preparation is to dress up. Use protective gloves (preferably made of leather) and goggles, as well as hearing protection when you’re operating a circular saw. You should also wear long sleeves and pants.

Cutting the panels of steel

It is, in fact, the most affordable tool for cutting metal. It is important to remember that tin snips can only be suitable when you plan to cut shortcuts for soft materials. They are like using ordinary scissors, and so it shouldn’t be an issue. It is vital to know that there are various kinds of tin-snips, and the one you choose will depend on the type of cuts you want to make. Make use of the right-hand tin snips when you wish to keep the debris to the left side of your cut, as well as when cutting curves that are counterclockwise.

However, you can make use of the left-hand tin snips if you require leftover waste to the right side of your cutting line. This is also the case when cutting curves that run clockwise. Straight and center tin snips are best used for straight cuts and are not recommended for cutting curves. If you’re required to make an incision between two walls, begin by drilling a pivoting hole in the center, which will serve as the starting point. The main drawback to using tin snips to cut the roof made of metal is it’s slow and isn’t suitable on sheets of large size.

Cleaning up

When you complete the cutting procedure, clean all metal dust that builds up. If you don’t clean it properly, the dust will quickly rust and make your roof weaker in time. Additionally, if the strips make off of metal and are left to dry on the floor, they could cause injury to people. When you work at a job, security is the primary factor that must take care of. To assist you, here are some tips you can take. The cutting tools you purchase will perform flawlessly since they’re made to.

However, as time passes, they start to become worn out and, if regular maintenance isn’t done, the tools can be hazardous. So, it’s a best practice to implement routine maintenance steps. This will prevent risks and ensure you get the best value for your investment. Most of the incidents we encounter when cutting roofs made of metal happen when someone uses the incorrect tool. It not only puts the person at risk but also increases the risk of doing a poor job.


We’re sure you’ve gained a lot from this article on how to cut colorbond roofing sheets. As well as the various cutting tools to cut roofing sheets, the cutting roofing metal using cutters and shears. Also, you can cut corrugated steel using a circular saw and other topics covered in these articles.

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