Upholstery frame

The type of wood depends upon the final piece, including function, style, and quality.

Beech, birch, white ash, and mahogany all have acceptable combinations of strength, availability (country dependent), workability, and cost to be superior wood products for frame making.

Engineered wood products commonly used in furniture making include plywood, hardboard, millboard, chipboard, and medium-density fiberboard.

The engineering principle involved is that strength varies directly with rail width and with the cube of thickness.

Major joints need the additional support of corner blocks, which should be glued and screwed into place.