Cut a metal sheet to the dimensions of the opening below the partly closed window.
Cut sheet metal and stove pipe.
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.
Close the window leaving around 2 inches above and below the pipe.
While you are installing the stovepipe it is inevitable that you will need to cut pieces of stovepipe to a shorter length.
Sheet metal duct pipe fittings.
They can have difficultly cutting through the seams of stove pipe which are often double or triple the thickness of the rest of the pipe.
Royal metal products 8 x 4 x 4 in.
Power shears square blade makita etc these shears will cut straight of in curves circles or angles.
Slide the ends of the pipe until both.
Flange insert box with gasket.
Set a length of stove pipe flat on the floor with the two open ends of the center seam facing away from the floor.
2 push the two sides of the seam together.
1 lay a length of stovepipe flat on the floor with the open.
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Crimping reduces the diameter of the pipe by creating triangular shaped ridges that pull metal toward the center of the pipe.
20 in x 25 in x 16 in duct square to round.
They also will not cut circles well such as in fireplace block off plates.
Stovepipe directs smoke and gas from a woodstove to the outside.