Cavity Slider Waterstop Building Codes & Rules
- Waterstop Angle Tools™ simplifies the National Construction Code (NCC) with interactive graphics, including deemed to comply & best practices.
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Wall Lining
- Adhere to cavity doorset
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Top of Membrane
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NCC 2022 HP, 10.2.2 (1) (c)
AS 3740:2021, 4.11.2 (b)
Cavity Sliding Door
Waterstop Angle at Cavity
- 2mm gap to Jamb to allow for movement
- Mitre cut bottom web & fold 90° to prevent leak into cavity
- File smooth all edges
- Sealant to all edges & junctions
Split Jamb
- Never embed in Tiles
- Prime cut ends
- Seal under ends to Tiles
Sealant / Adhesive
Split Jamb
Sealant bead
Sealant Joint
Split Jamb
Finished Floor Level
Wall Linings
- 6mm Fibre-cement for typical Tile or Paint finish
- 8mm gap to Structural Floor
Wall Lining
NCC 2022 V2
- 6mm Fibre-cement for typical Tile or Paint finish
- 8mm gap to Structural Floor
Membrane
Finishes
Waterstop
- ≥ 40mm set down[1]
- ≥ 25mm Screed depth to be maintained when calculating Falls throughout the wet area[2]
- Sealant beads & fillets to protect Membrane[3]
Waterstop RULES
NCC 2022 V2
All Building Classes
NCC 2022 F2D2, S26C3, & Part 10.2.11 to 13 [2019 F1.7]
May 2023
AS 3740:2021, 3.3.1 (a)
AS 3740:2021, 3.3.3 (a) (iv)
AS 3740:2021, 4.9
AS 3740:2021, 3.3.3 (b) (ii)
AS 3740:2021, 3.3.1 (c)
- Building elements in Wet Areas to be Waterproof or Water Resistant to NCC Specification 26, Part 10.2, & AS 3740
- Materials
- Stainless Steel, AluminiumAS 3740:2021, 3.3.1 (a)
- Vinyl Sheet Flooring, welded & sealedAS 3740:2021, 3.3.3 (a) (iv)AS 3740:2021, 4.9AS 3740:2021, 3.3.3 (b) (ii)
- Door openings & protection at Floor level require waterproofing for a watertight sealAS 3740:2021, 3.3.1 (c)
- Use adhesive or mechanically fix to Substrate
- Sealant continuous across Door Opening
- Sealant beads & bond breaking fillets to protect Membrane
Step up PROS & CONS
NCC 2022 V1
Water Stop INSTALLATION
NCC 2022 V1
NCC 2022 HP, 10.2.2 (1) (c)
AS 3958.1:2007, 3.3.3.1 (e)
AS 3740:2021, 4.9.1 (d) (ii)
- ≥ 40mm set downNCC 2022 HP, 10.2.2 (1) (c)
- ≥ 25mm Screed depth to be maintained when calculating Falls throughout the wet areaAS 3958.1:2007, 3.3.3.1 (e)
- Sealant beads & fillets to protect MembraneAS 3740:2021, 4.9.1 (d) (ii)
Waterstop Angle
- Preferred alignment to center of Door Leaf
Membrane Substrate
- ≥ 1 : 100 fall required towards the Floor Waste[1]
- ≥ 1 : 80 fall required to entire room where Shower unscreened[2]
- Form falls in Structural Floor or Screed[3]
- Smooth, clean, dry & dust free surface[4]
Substrate FALLS
NCC 2022 V3
All Building Classes
NCC 2022 F2D2, S26C3, 10.2.9, & 10.2.12 [2019 F1.7]
May 2023
AS 3740:2021, 2.3.1
AS 3740:2021, 2.3.5
- Building elements in Wet Areas to be Waterproof or Water Resistant to NCC Specification 26, Part 10.2, & AS 3740
- ≥ 1 : 100 fall required approaching Floor WasteAS 3740:2021, 2.3.1
- ≥ 1 : 80 fall required to entire room where Shower unscreenedAS 3740:2021, 2.3.5
Substrate PREPARATION
NCC 2022 V4
All Building Classes
NCC 2022 F2D2, S26C3, & HP10.2.9 [2019 F1.7]
May 2023
AS 3740:2021, 4.4.1
- Building elements in Wet Areas to be Waterproof or Water Resistant to the NCC
- All surfaces to be prepared for Waterproofing System adhesionAS 3740:2021, 4.4.1
- Smooth, dust-free, clean & dry surface
- Fill voids
- Grind smooth any protrusions
- Free of formwork deformity
- Prime substrate to prohibit pin-holing during the membrane curing process
- Moisture test & apply primer as per Manufacturer's Recommendations
Substrate PREPARATION
NCC 2022 V1
AS 3740:2021, 2.3
AS 3740:2021, 4.4.1
AS 3740:2021, 2.3.1
AS 3740:2021, 2.3.5
- ≥ 1 : 100 fall required towards the Floor WasteAS 3740:2021, 2.3
- ≥ 1 : 80 fall required to entire room where Shower unscreenedAS 3740:2021, 4.4.1
- Form falls in Structural Floor or ScreedAS 3740:2021, 2.3.1
- Smooth, clean, dry & dust free surfaceAS 3740:2021, 2.3.5
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