How to Cut Tin Siding

Tin siding can be cut with a circular saw or tin snips. The way you cut the siding depends on how much or how little needs to be cut. The angles on tin siding require a special cutting method when using a circular saw. Specialized metal-cutting circular saw blades can be found at your local home improvement store in the tools section. The blade has more teeth than a saw blade used to cut wood.

2 4-by-4-inch boards, 48 inches long
Marker or pencil
Straight edge ruler
1 18-by-48-inch piece of plywood, 3/4 inch
Circular saw
Tin snips
Safety glasses
Ear plugs
Leather work gloves

Instructions

- 1
  Lay the uncut piece of siding down on a flat surface. This can be a driveway or patio. Slide two 4-by-4-inch boards, 48 inches long, beneath the siding where you want to make the cut. Spread the boards about 18 inches apart. These will provide space between the tin and the ground. This space is needed so the saw blade doesn't hit the ground.
- 2
  Draw a straight line across the piece of tin siding with a marker or pencil. Use a straight edge yard stick to get the line straight.
- 3
  Lay an 18-by-48-inch piece of 3/4-inch plywood over the tin and line up the straight edge of the board with the straight line on the tin.
- 4
  Place the circular saw on the plywood. Line the blade up with the line on the tin. The blade of the saw will be right next to the edge of the plywood. The plywood allows you to cut across any irregular shaped piece of tin siding without the saw going up and down.
- 5
  Pull the trigger of the saw and cut across the tin siding.

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