Secure the aluminum to the saw horses with a clamp.
Cutting aluminum siding with circular saw.
Before cutting aluminum with a circular saw determine what type of aluminum you need to cut such as aluminum siding or an aluminum sheet.
Step 2 cut the width.
Look for a carbide tipped abrasive cutoff wheel when working with metals like copper lead brass and aluminum as these are all nonferrous metals.
It is ideal for thinner sheets up to 11 gauge.
In our test it cut through rebar like a hot knife through butter.
These include miter saws chop saws table saws and handheld circular saws.
You can cut mild steel up to about 3 8 in.
Use a nibbler to cut in a straight line.
Cut across the contours of the aluminum siding with a radial arm saw.
This jig can also be used to easily cut vinyl.
However aluminum also can be cut with a circular saw.
The cuts can be done by hand with a set of tin snips but squeezing the snips 5 6 times per cut can get really tiring and leaves a somewhat jagged.
Types of circular saw blades for cutting aluminum.
Metal cutting blade this type of blade has smaller teeth separated by sturdy slots.
This design helps in cutting metal pipes and sheets.
Install a plywood blade backward onto a circular saw.
Mark the area to cut and slowly feed the blade into the siding.
Hot metal chips will fly everywhere.
As these are easier to cut through you re generally okay to use a cordless circular saw to work with them but it s not advisable for other types.
While cutting at the width of the aluminum siding make use of straight tin snips.
It saved me countless hours of work.
Place the piece of aluminum you need to cut on a pair of saw horses.
It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool.
I show you a simple wooden jig i built myself to cut new aluminum soffit.
You can t cut through thick blocks of metal with this one however.
There are two main types.
Circular saw cutting jig for vinyl siding.
I recently replaced the old weathered aluminum siding on my house with maintenance free vinyl siding.
Thick using a ferrous metal cutting blade.
I m using irwin to.