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Corrugated plastic roofing is one kind of low-cost and low-maintenance roofing system. It is long-lasting as well. You can cut these roofing sheets with a blade and a circular saw.

Cutting corrugated plastic roofing is not a difficult task. You can do it on your own. And for this, you may need a couple of tools. As plastic is a lightweight material, you can work with it easily. 

Read this article carefully to learn the step-by-step process of how to cut corrugated plastic roofing?

How To Cut Corrugated Plastic Roofing?

Corrugated plastic roofing sheets can be solid or transparent which is widely used in greenhouses. It is also suitable for adding a porch to the house. The installation, as well as cutting of this corrugated plastic roofing is simple as well. 

To cut the roofing, the following tools are required:

  • Hand gloves
  • Safety glasses
  • Tape measure
  • Marker pen
  • Utility knife or Circular saw or tin snips
  • Cardboard or wooden table
  • A sharp blade

Now come into the detailed procedure about cutting the corrugated plastic roofing.

Step 1: Wear hand gloves and safety glasses

Before starting to cut the corrugated plastic roofing sheets, you must wear hand gloves and safety glasses to avoid any unexpected incidents.

How To Cut Corrugated Plastic Roofing
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Cut Corrugated Plastic Roofing
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If you need any assistance, make sure that anyone who comes to aid you follows the same safety steps you did.

Step 2: Put the roofing sheets on a firm and level surface.

To prevent damaging the surface of the roofing sheets, you have to place it on a firm and level surface before chopping. 

Therefore, you can place cardboard underneath the plastic roofing plates to smoothly cut the sheets.

Step 3: Measure the length you want to cut off.

After placing the corrugated plastic roofing sheets on a flat surface, you can measure how much area you want to cut by using a tape measure. Then mark both edges and draw a line between them using a marker pen and a scale.

Also, make sure the drawn line is straight; else, the cutting will be messed up.

Step 4: Place the roofing sheets over the edge of the cardboard.

When you are done with the marking and drawing line, put the sheets over the edge of the cardboard such that the marked line stays about 1 inch from the edge.

You may need a helper if there are more than three feet portions outside the cardboard edge. And always remember safety first, so you and your helper, both should use hand gloves and safety glasses during this work.

Step 5: Fix the cutting saw.

Now comes the riskiest part. Before cutting, set the circular saw’s blade to its maximum cutting capacity. Carbide tipped blade is required for this. 

Fix the cutting saw
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Now with your right hand, hold the blade guard, run the saw, and cut down the line.

Step 6: Release the guard of the blade and put pressure on the roofing sheets.

When the blade begins to cut, release the guard of the blade. Then put pressure on the roofing sheets to the flat surface with your left hand. Thus it will help to reduce vibrations as well as wandering, chipping, binding, and so on.

Step 7: Continue cutting until the endpoint is reached.

Cut the line gently and carefully until you hit the other side. Continue to cut past the frame’s end, allowing the cut-off to fall easily. When somebody is helping to support the cut off, they should just let the cutting side drop prior to actually taking the materials off.

Now you are done with the cutting processes. However, if you find any difficulties with the circular saw. No need to be worried. There is an alternative option for you.

You can use a utility knife to cut the marked portion. The whole procedure will be the same as mentioned earlier, just you will need to use a knife instead of a circular saw.


Have you got all the above-mentioned steps about how to cut corrugated plastic roofing? I think so. Now you can cut your roofing sheets on your own.

It’s really simple to operate with corrugated plastic sheets as they are lightweight. And to avoid any mishaps when cutting these sheets, you must use hand gloves and safety glasses. 

In addition, cutting the line requires many instruments. On the market, there are numerous cutting tools. You can pick whatever one you prefer.

It isn’t a particularly difficult task. Simply follow the procedures provided in this article to complete the process.

Work in a safe manner. Have fun!


As a civil engineer and roofer, I love to share the experience that I have gained through the last couple of years. In the roofing industry, practical experience is a very crucial fact that can help you a lot. Hence, I want to help you with my blog.

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