Steel tooth and carbide tooth blades are both good choices.
How to cut metal roofing with a circular saw.
When you re cutting metal go for something spiky and abrasive.
It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool.
Avoid moving your circular saw at an angle as you cut.
Select a 4 in 10 cm if you re using an angle grinder.
A 7 in 18 cm blade is the perfect size for most circular saws and projects.
Guide your saw slowly through the metal.
Step 2 measuring.
Thick using a ferrous metal cutting blade.
These circular saws are great for cutting through tin or other thin metal roofing materials.
Step 6 the installation.
Fit the saw with a metal cutting blade.
One of the main problems with using a wood cutting saw to cut through metal is the speed as most of these saws go well beyond the recommended speed for cutting metal.
Cut metal with your circular saw.
Circular saws and grinders cut corrugated roofing very fast no matter how thick is the steel.
Your circular saw will do most of the work since it will be pulled forward from the traction from your saw blade.
Step 5 the cutting methods.
Step 1 setting up the work.
In our test it cut through rebar like a hot knife through butter.
Otherwise you may end up overheating the metal and cause serious harm to yourself and your power tools.
Guide the saw slowly through the metal and allow the excess piece that you cut to fall freely to the floor.
This requires you to purchase some extra supplies ahead of time.
To safely and efficiently cut through metal with a circular saw you ll need to operate at a maximum no load rpm of 5 000.
Step 3 ready set and mark.
Hot metal chips will fly everywhere.
You can cut mild steel up to about 3 8 in.
However you need to have plenty of experience with a circular cutting saw before you use it for a project like this.
In addition cutting saws require that you use specialty blades that are designed for cutting metal even tin.
