Cutting Aluminum Siding With A Knife

Thick using a ferrous metal cutting blade.

Cutting aluminum siding with a knife. You can cut mild steel up to about 3 8 in. I had to replace a bad aluminum panel in the middle of a house. Since aluminum and vinyl siding is relatively soft and thin they are pretty much easy to trim and cut and in fact you can make use of a utility knife or a scoring tool for the job. Quickest cleanest way to cut alum siding.

This weakens the aluminium and creates a fracture line. Works like a charm. With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet. If you want to make long straight cut on a piece of vinyl siding it is best to use a utility knife.

Hot metal chips will fly. A pair of high quality tin snips can help to speed up the shaping and cutting of the aluminum siding and is especially helpful in cutting the curves. Sheet aluminium can be cut without the need for a guillotine or tin snips which tend to deform the metal. Just always wear ear plugs and glasses.

In our test it cut through rebar like a hot knife through butter. My buddy is a siding guy for 30 years and to me the best way to cut aluminum siding is a diamond blade on a 4 1 2 grinder. Cut metal with your circular saw. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool.