Fire-stopping Penetrations Overview Building Codes & Rules
- Protect lives! Learn fire-stopping for holes in fire barriers. Tools™ simplifies NCC with interactive graphics. Get expert tips for proper sealing & compliance
Bushfire Prone Development
Concrete Slab
Concrete Slab
Firestop Putty
Electrical Boxes
Fire Sleeves / Fire Coat
Metal Pipe System
Insulated Spandrel
NCC 2022 Vol 1, S13C6 (a) (ii)
Electrical Switch & Outlet Penetrations
- Recess must not go beyond wall's half-way pointNCC 2022 Vol 1, S13C6 (a) (ii)
- Always refer to Manufacturer's Requirements for Fire-stopping Product
Fire Barrier
Duct Wrap
Opposite Wall
Opening
Floor Fire Block
NCC 2022 Vol 1, S13C6 (a)
Insulated Spandrel
Horizontal Cavity Barrier - Curtain Wall Gap
Insulated Spandrel
Multi-Service Transit Box
Mixed Services Firestopping
Vertical Perimeter Barrier Firestop
Head-of-Wall Firestop
Floor Movement Joint Firestop
Wall Movement Joint Firestop
NCC 2022 Vol 1, S13C6 (a)
Wire & Cable Penetrations
- Fire-stop between Service & the Wall, Floor, or Ceiling[1]
Wire & Cable Penetration RULES
NCC 2022 V7
Class 2 to 9
NCC 2022 S13C5, S13C7, C4D15(c)(iii)
[2019 C3.15.5, C3.15.7]
May 2023
NCC 2022 Vol 1, S13C5 (a)
NCC 2022 Vol 1, S13C5 (b)
- ≥ 50mm Penetration distance to other Services NCC 2022 Vol 1, S13C5 (a)
- Opening cross-sectional areaNCC 2022 Vol 1, S13C5 (b)
- ≤ 2000mm² Single Cable Penetration with ≤ 15mm gap between Cable and Penetration edge
- ≤ 500mm² any other case
- Always refer to Manufacturer's Requirements for Fire-stopping Products
NCC 2022 Vol 1, S13C5
- Fire-stop between Service & the Wall, Floor, or CeilingNCC 2022 Vol 1, S13C5
AAC Wall Penetrations
Concrete Floor Penetrations
Site Tools
Plumbing Overview
Sealant Joint
Masonry & Concrete Wall Penetrations
Adjoining Building
Fire Damper Installation
Type of Construction
Fire Compartmentation
Fire-stop
- Must be Concrete, High-temperature Ceramic Fibre or another material that can withstand ≥ 1120°C[1]
Fire-stopping RULES
NCC 2022 V2
Class 2 to 9
NCC 2022 S13C7 [2019 SC3.15.7]
May 2023
NCC 2022 Vol 1, S13C7 (1)
NCC 2022 Vol 1, S13C7 (3)
- MaterialNCC 2022 Vol 1, S13C7 (1)
- Concrete, High-temperature Ceramic Fibre, or another material that can withstand ≥ 1120°C
- Tested as per Standard, and
- Passed the required FRL, or
- Resist the incipient spread of fire
- Hollow Wall ConstructionNCC 2022 Vol 1, S13C7 (3)
- ≥ 25mm thk Fire-stop around Service Pipe Penetrations
- Restrained from moving
- Must not detach from linked surfaces of the service, wall, floor, or ceiling
NCC 2022 Vol 1, S13C7 (1)
- Must be Concrete, High-temperature Ceramic Fibre or another material that can withstand ≥ 1120°CNCC 2022 Vol 1, S13C7 (1)
