Different types of floor joists

Structure · Joists · printed page 51 (PDF page 52)

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Book index entries

Furnace – Types Floors – Types Furnace – Joists Joists

Text in the illustration

solid wood
wood truss
wood "I"
plywood
metal truss
laminated veneer
parallel strand

Generated explanation

The illustration shows seven types of floor joists as separate members arranged vertically for identification. Solid wood, plywood, laminated veneer, and parallel strand members have continuous rectangular profiles. The wood truss has upper and lower chords connected by diagonal web members, with connector plates shown at the joints. The wood I-joist has a continuous web between projecting top and bottom flanges, while the metal truss has an open triangular web between its chords. No installed floor assembly, defects, or improper practices are depicted.

Components

solid wood floor joist wood floor truss wood I-joist plywood joist metal floor truss laminated veneer joist parallel strand joist truss chords truss web members truss connector plates I-joist web I-joist flanges

Materials

solid wood plywood metal laminated veneer lumber parallel strand lumber engineered wood

Related illustrations

0320

Different types of joist end support

· p. 53

Eight detail views compare different ways to support wood floor joist ends. The examples show bearing on a sill plate, support on a ledger board attached to a wood beam, and bearing on the bottom flange of a steel beam.