How to Cut Door Casing
A door frame is covered by pieces of solid wood or formed MDF (medium density fiberboard) so the empty space between the door jamb and the wall studs will not be visible. Door casing can be very ornate looking and it can also be very plain. The cross sectional profile of a piece of door casing may have a wide side and a narrow side. This occurs when the wood or the MDF has been shaped and given a decorative profile using either a shaper or a router. Mitering the corners of the door casing pieces makes the door casing look very good. Does this Spark an idea?
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Things You'll Need
- Tape measure
- Door casing
- Pencil
- Miter saw
- Pneumatic nailer
- Brad or finish nails
- Wood putty or filler
- Paintable caulk
Instructions
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1
Measure the height and the width of the door with a tape measure. These measurements will be used to cut the door casing to the correct length.
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2
Mark the door casing with a pencil using the measurements taken from the door.
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3
Place the door casing up against the cutting fence in an electric miter saw after setting the miter saw to cut the door casing at a 45-degree angle. Line the saw blade up with the pencil mark on the door casing and follow through with the cut.
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4
Hold the trimmed piece of door casing up to the door. Fasten the door casing into place with a pneumatic finish nailer and 1-1/2-inch brad or finish nails. Repeat the cutting process with the other side door casing piece and the top piece.
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5
Fill any gaps at the mitered corners with wood filler or wood putty. Fill gaps and cracks between the wall, the door jamb and the door casing with a paintable caulk. Stain or paint the door casing to match the walls and trim in the room.
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