Structopedia
This calculator is available to subscribers only.
AS 1684.2

Tables 21 & 22 — Ceiling Joists

Select inputs

Inputs

Results

Reference — AS 1684.2 Figure 7.19

AS 1684.2 Figure 7.19 — Ceiling joists
Figure 7.19 — Ceiling joists (AS 1684.2-2021)

Table 21 — No overbatten. Maximum ceiling mass 12 kg/m².

Table 22 — With overbatten. The overbatten shall be minimum F5 35×70 mm placed at midspan of the ceiling joists.

Roof loads shall not be strutted onto ceiling joists.

These sizes/spans are not suitable for the support of platforms used for storage in the ceiling space.

Spans are independent of wind classification.