NBC Group F

This tool helps determine construction requirements for Group F occupancies (Industrial) per NBC 2020 Division B 3.2.2. Final compliance must be verified by a qualified professional.

Building Configuration

Group F Division

Number of Storeys

Building Area (m²)

Sprinkler System Installed?

Construction Type

Street Frontage

Special Conditions

Reference Tables

Division	Storeys	Sprinklered	Max Area (m²)	Construction	Reference

Division	Combustible	Mixed	Heavy Timber
Division 1	Limited	Limited	Limited
Division 2	(Limited)	(Limited)
Division 3	(Limited)	(Limited)	(1 storey)

Division	Floors	Mezzanines	Roof	Walls
Division 1	2 hr (1 hr if sprinklered)	1 hr	N/A	Match supported
Division 2	2 hr (1 hr if sprinklered, 45 min if combustible)	1 hr (45 min if combustible)	45 min (if combustible)	45 min or noncombustible
Division 3	2 hr (1 hr if sprinklered, 45 min if combustible)	1 hr (45 min if combustible)	45 min (if combustible)	45 min or noncombustible

NBC Group F

Building Configuration

Compliance Results

Reference Tables