Fire-stopping Penetrations (Benchmark) Building Codes & Rules

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Type of Construction

Masonry & Concrete Wall Penetrations

AAC Wall Penetrations

Adjoining Building

Site Tools

Plumbing Overview

Insulated Spandrel

Concrete Slab

Fire Barrier

Duct Wrap

Fire Sleeves / Fire Coat

Continuously Lagged Metal Pipe

Vertical Cavity Barrier Firestop

Floor Fire Block

HVAC

Fire Damper

Fire Damper Installation

Multi-Service Transit Box

Mixed Services Firestopping

Fire Rated

Service Riser Cupboard

Fire Pillow

with Mastic

Sealant on Gaps

Horizontal Cavity Barrier - Curtain Wall Gap

Insulated Spandrel

Head-of-Wall Firestop

Floor Movement Joint Firestop

Vertical Perimeter Barrier Firestop

Metal Pipe Penetrations

Precisely made, cut, or drilled^[1]
Gaps must be fire-stopped^[2]

Metal Pipe Penetrations RULES

NCC 2022 V3

Class 2 to 9

NCC 2022 S13C3, S13C7 [2019 SC3.15.3, SC3.15.7]

May 2023

NCC 2022 Vol 1, S13C3 (1)

NCC 2022 Vol 1, S13C3 (2)

Non-liquid Filled Metal Pipe System^{NCC 2022 Vol 1, S13C3 (1)}
≥ 100mm Ø x ≥ 2m L from penetration distance to any combustible material
Must have a pipe thickness of
≥ 1mm for Copper Alloy or Stainless Steel
≥ 2mm for Cast Iron or Steel (except stainless steel)
Single Metal Pipe Penetration^{NCC 2022 Vol 1, S13C3 (2)}
≥ 200mm distance from other Service Penetrations
Precisely made, cut, or drilled
Always refer to Manufacturer's Requirements for Fire-stopping Products

NCC 2022 Vol 1, S13C3 (2) (a)

NCC 2022 Vol 1, S13C3 (4)

Precisely made, cut, or drilled^{NCC 2022 Vol 1, S13C3 (2) (a)}
Gaps must be fire-stopped^{NCC 2022 Vol 1, S13C3 (4)}

Fire Damper Types & Inspection

Concrete Floor Penetrations

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)

Material^{NCC 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 Construction^{NCC 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°C^{NCC 2022 Vol 1, S13C7 (1)}

Fire Compartmentation