Wire (Balustrade) Building Codes & Rules
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Structural Glass Panel
Wire Cable Spacing
Continuous Vertical Wire
NCC 2022 V1
All Building Classes
NCC 2022 Tables D3D21b & 11.3.6 (4)
[NCC 2019 Tables D2.16c & 3.9.2.2]
May 2023
NCC 2022 Vol 1, D3D21 (c)
NCC 2022 HP, 11.3.6 (4) (a)
- Continuous vertical or nearly vertical sloped wireNCC 2022 Vol 1, D3D21 (c)NCC 2022 HP, 11.3.6 (4) (a)
- ≤ 2.5mm Ø Stainless Steel Wires
- 7x7 or 7x19 Wire Lay
- Supporting rails
- ≤ 900mm spacing
- Must not deflect to cause decreased Wire Tension
- Changes in wire direction to pass around a pulley block without permanent deformation of wire
Horizontal & Vertical Wire
NCC 2022 V3
All Building Classes
NCC 2022 Tables D3D12c & 11.3.6b
[NCC 2019 Tables D2.16d & 3.9.2.3]
May 2023
NCC 2022 Vol 1, D3D21 (c)
NCC 2022 HP, 11.3.6 (4) (a)
NCC 2022 Vol 1, D3D21 (a) (i)
NCC 2022 HP, 11.3.6 (2) (a)
- Stainless Steel wires
- Horizontal wire construction in compliance with
- Required tensionNCC 2022 Vol 1, D3D21 (c)NCC 2022 HP, 11.3.6 (4) (a), or
- To be within the allowable deflection, see Allowable Deflection tableNCC 2022 Vol 1, D3D21 (a) (i)NCC 2022 HP, 11.3.6 (2) (a)
- 2kg mass suspended midspan to measure
- Non-continuous vertical wire construction in compliance with
- Required tension, see Tension Rules table
Non-Climbable Zone
- 4m or more fall risk must include an NCZ[1]
Non-climbable Zone (NCZ)
NCC 2022 V3
All Building Classes
NCC 2022 D3D20 [2019 D2.16a]
May 2023
NCC 2022 Vol 1, D3D20 (1)
NCC 2022 Vol 1, D3D20 (1)
NCC 2022 HP, 11.3.4 (8) (a)
NCC 2022 HP, 11.3.4 (8) (a)
- 4m or more fall risk must include an NCZ with no footholds including brackets, hinges, hardwareNCC 2022 Vol 1, D3D20 (1)NCC 2022 Vol 1, D3D20 (1)
- 150 to 760mm above finished levelNCC 2022 HP, 11.3.4 (8) (a)NCC 2022 HP, 11.3.4 (8) (a)
NCC 2022 Vol 1, D3D20 (1)
- 4m or more fall risk must include an NCZNCC 2022 Vol 1, D3D20 (1)
Tools™ Best Practice
≥ 1.05 mTools™ Best Practice
NCC 2022 Vol 1, D3D20
NCC 2022 HP, 11.3.4 (8) (a)
NCC 2022 Vol 1, D3D17 (1)
NCC 2022 HP, 11.3.3 (1) (a)
Manufacturer's Recommendation
Manufacturer's Recommendation
Tools™ Best Practice
≥ 1.05 mTools™ Best Practice
Continuous
Vertical Wire
System Only
NCC 2022 Vol 1, D3D19 (1)
NCC 2022 HP, 11.3.4 (4)
NCC 2022 Vol 1, D3D17 (1)
Balustrades Required
- ≥1m fall to surface belowNCC 2022 Vol 1, D3D17 (1)
- Stairs & Ramps
- Decks, Balconies & Verandahs
- Retaining Walls or other falls forming a Deliniated Access Path to a Building
NCC 2022 Vol 1, D3D18 (1)
NCC 2022 HP, 11.3.4 (2) (b) (i)
FFL
FFL
NCC 2022 Vol 1, D3D20 (1)
NCC 2022 HP, 11.3.4 (8) (a)
NCC 2022 Vol 1, D3D18 (1)
NCC 2022 HP, 11.3.4 (2) (b) (i)
NCC 2022 Vol 1, D3D20 (1)
NCC 2022 HP, 11.3.4 (8) (a)
Fixings
- Seal to prevent water ingress[1]
Fixings
NCC 2022 V1
- Chemset 316 stainless steel Bolt Fixings
- Form fillet around threaded rod
- While clearing excess Chem-set, or
- Sealant
- Turn up membrane
- Seal packer to membrane
- Seal washer to plate
Tools™ Best Practice
- Seal to prevent water ingressTools™ Best Practice
To surface below
Top Rail
Supporting Rail
Post Clearance
Post Clearance
Vertical Wire Spacing
Horizontal Wire Barrier
Horizontal Wire Spacing
Vertical Wire Barrier
NCC 2022 Vol 1, D3D21 (c) (iii)
NCC 2022 HP, 11.3.6 (4) (c)
NCC 2022 Vol 1, D3D20 (1)
NCC 2022 HP, 11.3.4 (8) (a)
To surface below
Redirecting... (5)