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AS 1684.2 · Timber Framing · Two Storey
Table 46 — Top Plates (Lower Storey of Two Storey)
Selections
Wind
Grade
Stud height
Upper FLW
Upper joist sp.
Roof
Wind Classification
Timber Grade
Stud Height (mm)
Upper Floor Load Width (mm)
Upper Floor Joist Spacing (mm)
Roof Type
Maximum Roof Load Width (mm) Select all inputs above
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Figure 6.19(b) — Top Plates Lower Storey

Table 46 Notes

  1. Maximum roof load widths are based on a maximum total sheet roof, framing and ceiling mass of 40 kg/m², a maximum total tile roof, framing and ceiling mass of 90 kg/m² and a maximum flooring mass of 40 kg/m². For guidance refer to Appendix A.
  2. Where floor joists are supported directly over studs or within 1.5 times the thickness of the top plate from the stud, the top plate may be a minimum of 35 mm deep.
  3. Where plates support concentrated floor loads, the load shall be supported directly over a stud(s) designed to carry the load (refer to Tables 38 or 39).
  4. Plates may be trenched up to a maximum of 3 mm.
  5. Multiple plates shall be nailed together as per Clause 2.5.
  6. For design parameters refer to Figure 6.19(b).
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Clause reference: AS 1684.2 Cl. 6.4.3 · Table 46