Under NZBC Clause F4 (Safety from Falling), barriers must have a minimum height as detailed in Table 1.
In housing and other areas likely to be frequented by children under 6 years of age, any opening’s in these barriers must not allow a 100mm sphere to pass through them over the full height of the barrier.
Where a triangular opening is formed by the riser, tread & bottom rail of the barrier, a 150mm sphere must not be allowed to pass through this area.
The below view shows the Moddex Conectabal CB30 on stair flight, designed to suit the above requirements.
More details on the NZBC Clause F4 can be found here.
To save time, resource and ease of installation when specifying Moddex guardrails or balustrades please consult the Compliance Tip or contact us on 1800 663 339 (Australia) or 0800 663 339 (New Zealand)