Installing Door Casing Trim
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Mark the Reveal
The casing molding around a door or window should be set back by about ¼ inch from the edge of the jamb. Mark a line using a square and a sharp pencil, along both sides and the header of the jamb.
Mark the Side Casings
The casing molding around a door or window should be set back by about ¼ inch from the edge of the jamb. Mark a line using a square and a sharp pencil, along both sides and the header of the jamb.
Mark the Casing Header
Mark the casing for the header holding a piece of molding upside down on the sides. Cut the molding and install as with the sides.
Set Nails and Putty Holes
Use a nail set to sink the nail heads, fill the holes with painter's putty and paint the casing.