Illustrated Architecture Dictionary
Box beam
A beam built up from boards; has a hollow rectangular cross section.
A box beam ceiling looks as if the beams have been placed in boxes.
Made with plywood.
Hollow beams are often used for installing lights and hiding wires or pipes during a build or remodel.
Commonly found in Arts & Crafts dining rooms.
Not to be confused with coffering.
Examples from Buffalo:
- Illustration above: 452 Parkside Ave.
- Huntley House