Door casing is set back off the face of the jamb approximately

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Multiple Choice

Door casing is set back off the face of the jamb approximately

Explanation:
Door casing is set back a small amount from the face of the jamb to create a clean, even reveal and to keep the trim from binding as the door moves. About 3/16 inch is used because it accounts for typical wall finish thickness (drywall or plaster plus paint) and lets the casing sit neatly against the wall after finishing. If the setback is smaller, wall irregularities or the door’s movement can cause rubbing or a tight fit. If it’s larger, the trim looks overly inset and the transition between wall and trim appears awkward, making finishing more difficult.

Door casing is set back a small amount from the face of the jamb to create a clean, even reveal and to keep the trim from binding as the door moves. About 3/16 inch is used because it accounts for typical wall finish thickness (drywall or plaster plus paint) and lets the casing sit neatly against the wall after finishing. If the setback is smaller, wall irregularities or the door’s movement can cause rubbing or a tight fit. If it’s larger, the trim looks overly inset and the transition between wall and trim appears awkward, making finishing more difficult.

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