NCC 2025 Top 6 Changes for Waterproofing (public comment draft)

The Australian Building Codes Board has released the public comment draft of the NCC 2025, which includes substantial changes that will impact the future of construction waterproofing. In this video, David Previte, President of the Australian Institute of Waterproofing, discusses the top six changes.
Timestamps:
0:33 - Point 1: Class 7 and 8 buildings no longer exempt from waterproofing performance requirements
0:53 - Point 2: Structural falls must have a minimum gradient of 1 over 80 for external areas
1:09 - Point 3: 70mm structural step downs and integral hobs required around building elements
1:22 - Point 4: Exposed joints must be located at ridgeline of falls with hobs on either side
1:38 - Point 5: Waterproofing membranes must be applied directly to the structural substrate
1:52 - Point 6: Floor finishes to be self-draining or directly fixed to waterproofing membrane
Don't forget to have your say on the NCC public comment website. Share your thoughts on these upcoming changes in the comments below.
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