Unprotected and Glazed Openings Calculator

BCABD | BC Association of Building Designers

Project Information

Project Name
Project Location / Address
Client Name
Designer / User Name
Date

Building Classification and Fire Protection Settings

Part 9 Building Classification and Applicable Table:

Selecting Table 1 (opt1) sets the project Opening Class to Glazed Opening. Selecting any other table sets the project Opening Class to Unprotected Opening.

Input Data

Wall Face Name

Opening Type:
Window Door

Enter Opening Size As:
Rough Opening Size Actual Opening Size (Unit Size)

Width of Opening

Height of Opening

Area of Opening

m²

ft²

If you enter area directly (Rough), width/height fields will show N/A placeholder and area will be used as entered.

Calculated Results for Current Wall Face

Wall Face:	—
Aggregate Area of Openings	—	—

Project Report

Enter inputs above and click "Add Wall Face", then use the export buttons to copy or download the report.

Export Report

NOTE: While every effort has been made to ensure accuracy, it is the responsibility of the user to confirm all references and calculations are correct before using any data, calculations, or references in real life application. BCABD cannot be held responsible for any errors or omissions while this tool and information is used. All users should do their own due diligence to ensure spatial separations and all code requirements are being met for their own projects. This calculator is provided as tools to help determine the allowable area of unprotected openings according to the BC Building Code Requirements in 9.10.14. and 9.10.15.