NBC Group E

This tool helps determine construction requirements for Group E occupancies (Business and Personal Services) per NBC 2020 Division B 3.2.2. Final compliance must be verified by a qualified professional.

Building Configuration

Building Use

Number of Storeys

Building Area (m²)

Sprinkler System Installed?

Construction Type

Street Frontage

Mezzanine Present?

Special Conditions

Reference Tables

Rule	Storeys	Sprinklered	Max Area (m²)	Construction	Reference

Rule	Noncombustible	Combustible	Mixed
Any Height
Up to 4 Storeys
Up to 3 Storeys
Up to 2 Storeys

Rule	Floors	Mezzanines	Roof	Walls
Any Height	2 hr	1 hr	N/A	Match supported
Up to 4 Storeys	1 hr	1 hr	N/A	Match supported
Up to 3 Storeys	45 min	45 min (if combustible)	45 min (waived for 1 storey noncombustible)	45 min or noncombustible
Up to 2 Storeys	45 min	N/A	N/A	Match supported

NBC Group E

Building Configuration

Compliance Results

Reference Tables