Tin roofs are lightweight and soft by nature this is why cutting them manually with snips is a good option.
How to cut corrugated tin roofing.
Stabilize the tin roofing with your non dominant hand.
While the blade guard will protect you from most of the sparks.
Move forward and repeat.
Snips are ideal for cutting any type of corrugated roofing especially for cutting softer metal like tin sheets.
Start your cuts place your metal sheets on your chosen cutting surface.
Only specialty blades made for cutting tin.
While circular saws can be used to cut tin roofing it is not generally the best method of cutting if you are inexperienced in working with metal roofing.
Probably it s also the cheapest way for cutting corrugated tin roofing.
You should go slowly during this part of the process to avoid blemishing the metal or making any mistakes.
You can use a sawing table or a set of sawhorses.
Place your corrugated metal on top of your work surface.
Put on a pair of thick gloves and a welding mask.
Place the tin snips around the bit of tin you want to cut and then squeeze down firmly.
Use your power shears or alternate tool to carefully cut along the corrugated metal markings.
Switch out your saw blade for any blade.
If the power shear binds tilt the handle of the power shear forward toward the cutting blades to change the angle at which the blades meet the surface of the panel.
Push your shears gradually.