Well ventilated

When applied to under-floor areas, cross-ventilated by openings not more than 1 metre from every corner and otherwise evenly spaced in both external and internal walls.

When applied to under-floor areas, cross-ventilated by openings not more than 1 metre from every corner and otherwise evenly spaced in both external and internal walls, so as to provide an area of unobstructed free airspace not less than 7500 mm2/metre length of wall for tongue and groove (T&G) feature flooring, whether laid over other sheet flooring or not and not less than the requirements prescribed by the BCA for other flooring.


There are currently no values set for this field group.