Timber Floor Joist Detail

The details on this site are recommended for all i joists.
Timber floor joist detail. Alternatively you can download a free viewer by visiting this link and downloading the dwg trueview application. As the name trimjoist indicates our product can be trimmed on the construction site for a custom fit. For 2 1 2 and 3 1 2 flange widths toe nails may be used. No more custom made floor trusses.
A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home. All the figures are based on normal domestic floor loadings where the floor construction is typically 18 25mm floor boards sheets with up to 12 5mm thick plasterboard and skim underneath. Attach rim joist to floor joist with one nail at top and bottom.
Some newer homes have manufactured i beam shaped joists. Here you can view and download individual floor and roof details for your use. Trimjoist is the marriage of an open web floor truss and a trimmable wooden i joist bringing the best features of each to the relationship. The following table gives details of allowable spans and spacing between joists for the most common timber sizes used in floor construction.
Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. I joist construction details performance rated i joists in floor and roof framing.