Clamp the sheets of plastic to the saw table to reduce vibration.
How to cut plastic roofing.
Cut the panels to the desired length.
Polycarbonate panels can be cut with power tools but when using these any error you make can be exaggerated quickly ruining the sheet.
For this type of material make use of a 90 tooth fine finish blade.
Step 3 cut the polycarbonate sheet.
Step 3 cutting.
Using a utility knife will provide you with a free hand to hold the roofing to ensure you make a precise cut.
Adjust the depth of the saw table to ensure only the polycarbonate sheet is cut.
You can cut corrugated plastic roofing with a circular saw and a carbide blade but you must secure it well before cutting.
The vibrations of the saw make it wobble and the wobbling can bind the saw or force it off the cut line.
Once the measurements are set prepare the electric saw you will be using.
Measure the length you need to cut starting at one end of the corrugated plastic roofing sheet.
Mark the measurements using a fine tip pen.
Allow for a minimum of 18 inches 46 cm if you need to lap to complete the run.
Then use a utility knife to cut the marked portions.
For long cuts it is advised you make a mark on the way through the entire length of the proposed cut to be made which will serve as a guide.
We would recommend that you use a fine tooth pad saw such as the one below that is 14ppi and designed for plastics.
Draw a line in that spot with a marker ensuring the line is straight.
Use a measuring tape to measure the spots where the corrugated plastic roofing sheet has to be cut.
Use a level to ensure proper leveling.
Most panels come up to 32 feet 9 8 m in length.