Parapet - Upstand Building Codes & Rules
- Parapet - Upstand Tools™ simplifies the National Construction Code (NCC) with interactive graphics, including deemed to comply & best practices.
Sealant
Concrete Screeds
M
AS 4654.2:2012, 2.5.2
≥ 1 : 100AS 4654.2:2012, 2.5.2
Drip Edge
Membrane
Floor or Roof System
Upstand
Substrate
Fillet
Fillet RULES
NCC 2022 V4
All Building Classes
NCC 2022 F1D5, H2D8, & HP10.2 [2019 F1.4, 3.8.1.2, 3.8.1.3]
May 2023
AS 4654.2:2012, 2.7
NCC 2022 Vol 1, F1D5
NCC 2022 Vol 2, H2D8
NCC 2022 HP, 10.2.1
- Building elements in Wet Areas to be Waterproof or Water-resistant to the NCCAS 4654.2:2012, 2.7NCC 2022 Vol 1, F1D5NCC 2022 Vol 2, H2D8
- Membrane transitions from horizontal to vertical, or vertical to vertical planes, require the implementation of a Fillet, Cove, or Bond BreakerNCC 2022 HP, 10.2.1
- 40 x 40mm Fillet or cove for Sheet Membrane
- 15 x 15mm Fillet or Bond Breaker for Liquid Membrane
AS 4654.2:2012, 2.7
AS 4654.2:2012, 2.7
- 40 x 40mmAS 4654.2:2012, 2.7 Sheet Membrane Fillet or Cove
- 15 x 15mmAS 4654.2:2012, 2.7 Liquid Membrane Fillet or Bond Breaker
Floor Finish
Surface FINISHES
NCC 2022 V4
All Building Classes
NCC 2022 F1D5, H2D8, & HP10.2 [2019 F1.4, 3.8.1.2, 3.8.1.3]
May 2023
AS 4654.2:2012, 2.15.2
AS 4654.2:2012, 2.15.2
NCC 2022 Vol 1, F1D5
NCC 2022 Vol 2, H2D8
NCC 2022 HP, 10.2.1
AS 4654.2:2012, 2.15.1
AS 4654.2:2012, 2.15.3
- Building elements in Wet Areas to be Waterproof or Water Resistant to the NCCAS 4654.2:2012, 2.15.2AS 4654.2:2012, 2.15.2NCC 2022 Vol 1, F1D5
- Overlaying system not to harm & be suitable with the membraneNCC 2022 Vol 2, H2D8
- Membrane bonded to topping or beddingNCC 2022 HP, 10.2.1
- ≥ 10mm movement joint width at ≤ 4.5m CTS
- Structural toppingAS 4654.2:2012, 2.15.1
- ≥ 50mm thick with light mesh reinforcement
- Install double slip sheet on top of membrane
- Align movement joints in finishes over all building construction, control or movement jointsAS 4654.2:2012, 2.15.3
HB 198:2014, 5.1
AS 4654.2:2012, 2.5.2
- Fall to drainage
- ≥ 1 : 100HB 198:2014, 5.1
- ≥ 1 : 80 recommended
- ≥ P3 or R10 Slip RatingAS 4654.2:2012, 2.5.2
M
Membrane
Example Floor Finish
Parapet
- Fully waterproofed with membrane protected by the capping[1]
- Fixings fully sealed & waterproofed
Edge Protection RULES
NCC 2022 V1
All Building Classes
NCC 2022 F1D5, H2D8, & HP10.2 [2019 F1.4, 3.8.1.2, 3.8.1.3]
May 2023
AS 4654.2:2012, 2.8.2.2
NCC 2022 Vol 1, F1D5
NCC 2022 Vol 2, H2D8
NCC 2022 HP, 10.2.1
AS 4654.2:2012, 2.8.2.2
- Building elements in Wet Areas to be Waterproof or Water Resistant to the NCCAS 4654.2:2012, 2.8.2.2NCC 2022 Vol 1, F1D5NCC 2022 Vol 2, H2D8
- Lay membrane on parapet's full height with a downturn from the top edgeNCC 2022 HP, 10.2.1
- Fix capping over the membrane for protectionAS 4654.2:2012, 2.8.2.2
- Water seal beneath fixing heads to prevent water penetration
- Fixings are not allowed on the top surface
AS 4654.2:2012, 2.8.2.2
- Fully waterproofed with membrane protected by the cappingAS 4654.2:2012, 2.8.2.2
- Fixings fully sealed & waterproofed
AS 4654.2:2012, 2.5.2
≥ 1 : 100AS 4654.2:2012, 2.5.2
M
Finished Level
Fall
Falls
≥ 1 : 80
M
M
Screed
Fillet
M
M
M
Capping
Membrane
Membrane AUDIT
NCC 2022 V1
All building classes
AS 4654.2 2012, 2.16
14 Sep 2012 to Current
Membrane RULES
NCC 2022 V5
All Building Classes
NCC 2022 F1D5, H2D8, & HP10.2 [2019 F1.4, 3.8.1.2, 3.8.1.3]
May 2023
AS 4654.2:2012, 2.5.2
NCC 2022 Vol 1, F1D5
NCC 2022 Vol 2, H2D8
NCC 2022 HP, 10.2.1
AS 4654.2:2012, 2.3
AS 4654.2:2012, 2.5.3
AS 4654.2:2012, 2.7
AS 4654.2:2012, 2.6.2
- Building elements in Wet Areas to be Waterproof or Water Resistant to the NCCAS 4654.2:2012, 2.5.2NCC 2022 Vol 1, F1D5NCC 2022 Vol 2, H2D8
- FallsNCC 2022 HP, 10.2.1
- ≥ 1 : 100 fall in Membrane to Drainage Outlet
- Structural Substrate or Screed to form the required Falls
- Design & installation in accordance with AS 4654.1AS 4654.2:2012, 2.3
- Membrane movement Class I, II, or III
- To suit intended service conditions
- Substrate to be smooth, clean, dry & dust-freeAS 4654.2:2012, 2.5.3
- Fillets & Bond Breakers installed on all cornersAS 4654.2:2012, 2.7
- Lay & allow to cure as per Manufacturer's RecommendationsAS 4654.2:2012, 2.6.2
Waterproof Membrane BEST PRACTICE
NCC 2022 V1
AS 4654.2:2012, 2.5.1
AS 4654.2:2012, 2.5.2
- ≥ 1 : 100AS 4654.2:2012, 2.5.1 fall to drainage
- ≥ 1 : 60 recommended
- System compatible & to suit applicationAS 4654.2:2012, 2.5.2
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