Set a length of stove pipe flat on the floor with the two open ends of the center seam facing away from the floor.
Cut sheet metal and stove pipe.
Use the jigsaw to cut out a circle the size of the pipe starting from the hole created with the drill.
20 in x 25 in x 16 in duct square to round.
Drill a hole in the metal sheet in the place where the pipe will run.
Slide the ends of the pipe until both.
Power shears square blade makita etc these shears will cut straight of in curves circles or angles.
Close the window leaving around 2 inches above and below the pipe.
Crimping reduces the diameter of the pipe by creating triangular shaped ridges that pull metal toward the center of the pipe.
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When you purchase stovepipe you receive a bundle of rolled sheet metal cut to a specific length.
1 lay a length of stovepipe flat on the floor with the open.
They also will not cut circles well such as in fireplace block off plates.
While you are installing the stovepipe it is inevitable that you will need to cut pieces of stovepipe to a shorter length.
Power shears scissor type kett etc these are ok for cutting straight flat sheet metal but are not the preferred shears for pros cutting stove pipe.
Sheet metal duct pipe fittings.
2 push the two sides of the seam together.
Flange insert box with gasket.
Cut a metal sheet to the dimensions of the opening below the partly closed window.