The simplest definition of built up timber is the formation of structural members by connecting smaller dimension timber by nailing or gluing. Built up timber sections are used as columns, beams and slabs. The commonly used built up timber members are,
a) Beams: Glued laminated beams, spaced beam, ply web beams
b) Columns: Layered column, spaced column, braced column, box column
c) Slabs: Stressed skin panel, laminated veneer lumber, plywood
d) Timber Trusses
