US Patent 9422714 Wooden frame truss with enhanced fire resistance

A wooden frame truss with enhanced fire resistance is provided and includes an upper chord extending along a longitudinal axis, a lower chord disposed below the upper chord and extending along a vertically displaced, parallel axis, a plurality of supports attached between the upper and lower chords, and a plurality of metal gusset plates securing the supports to the chords. At least one wallboard batten strip is attached to an underside of the lower chord, the strip being constructed and arranged so that the strip defines a ledge extending from each side of the lower chord.