Floor Waste Building Codes & Rules
- Floor Waste Tools™ simplifies the National Construction Code (NCC) with interactive graphics, including deemed to comply & best practices.
Top of Floor
Large Tiles
- Transverse cut larger format tiles to create falls to drain
Adhesive
M
Grout
1 : 80
Substrate
M
M
1 : 80
Grate
Fall
Leak control
flange
Screed
Sealer membrane
Floor
Waste
Floor Tile
M
Slip resistance
M
M
Sealant
bead
Grout
Floor Tile
Sealant
bead
Fall
HB 198:2014, 5.1
P3 or R10HB 198:2014, 5.1
AS 3958.1:2007, 5.7.1 (e)
AS 3958.1:2007, 5.4.3
Cut EdgesAS 3958.1:2007, 5.4.3
- Arris edge to remove hazards
AS 4654.2:2012, 2.5.2
≥ 1 : 100AS 4654.2:2012, 2.5.2
M
AS 4654.2:2012, 2.5.2
≥ 1 : 100AS 4654.2:2012, 2.5.2
Top of Floor
M
Screed
Membrane
M
Substrate
- Smooth, clean, dry & dust free surface[1]
Substrate FALLS
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
NCC 2022 Vol 1, F1D5
NCC 2022 Vol 2, H2D8
NCC 2022 HP, 10.2.1
AS 4654.2:2012, 2.5.2
- Building elements in Wet Areas to be Waterproof or Water Resistant to the NCCNCC 2022 Vol 1, F1D5NCC 2022 Vol 2, H2D8NCC 2022 HP, 10.2.1
- ≥ 1 : 100 fall required approaching Floor WasteAS 4654.2:2012, 2.5.2
Substrate PREPARATION
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
NCC 2022 Vol 1, F1D5
NCC 2022 Vol 2, H2D8
NCC 2022 HP, 10.2.1
AS 4654.2:2012, 2.5.3.1
- Building elements in Wet Areas to be Waterproof or Water Resistant to the NCCNCC 2022 Vol 1, F1D5NCC 2022 Vol 2, H2D8NCC 2022 HP, 10.2.1
- All surfaces to be prepared for Waterproofing System adhesionAS 4654.2:2012, 2.5.3.1
- 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 4654.2:2012, 2.5.3
- Smooth, clean, dry & dust free surfaceAS 4654.2:2012, 2.5.3
Floor Waste
- Height set below tile
- Top of grout to finish flush to prevent water retention in between tiles
- Strip drains similar
Drainage
NCC 2022 V1
- Height set below tile
- Top of grout to finish flush to prevent water retention in between tiles
- Strip drains similar
Floor Tiles
- Fall
- 1 : 80 fall recommended
- Tile selection[1]
- P3 or R10 slip rating
- P4 or R11 to Ramps & Stair Nosing
- Movement joints
- ≤ 4.5m CTS[2]
- Align with structural movement or control joints
- Above load bearing beams or walls
Tile TOLERANCE
NCC 2022 V3
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
AS 3958.1:2007, 5.4.6 (c)
AS 3958.1:2007, 5.4.6 (a)
NSW 2017 Guide to Standards & Tolerances, 12.6
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, 2.5.2AS 3958.1:2007, 5.4.6 (c)AS 3958.1:2007, 5.4.6 (a)
- Fall
- ≥ 1 : 100NSW 2017 Guide to Standards & Tolerances, 12.6 typically
- 1 : 60 fall recommended in a Shower
- Ponding
- < 1.5mm deep surface tension after 15 minutes
- Installation tolerance
- Standards & Tolerance Guides (Various States)NCC 2022 Vol 1, F1D5
- Grout JointsNCC 2022 Vol 2, H2D8
- 3 to 6mm floor grout joints
- 1 to 2mm wall grout joints
- Lippage for Joints & FlatnessNCC 2022 HP, 10.2.1
- ≤ 1mm lippage for joints ≤ 3mm
- ≤ 2mm lippage for joints ≥ 3mm
- ± 4mm in 2m flatness tolerance
HB 198:2014, 5.1
AS 4654.2:2012, 2.15.2
- Fall
- 1 : 80 fall recommended
- Tile selectionHB 198:2014, 5.1
- P3 or R10 slip rating
- P4 or R11 to Ramps & Stair Nosing
- Movement joints
- ≤ 4.5m CTSAS 4654.2:2012, 2.15.2
- Align with structural movement or control joints
- Above load bearing beams or walls
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