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    • Stair Pressurization Estimator

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Stair Pressurization Estimator

Check out this new estimating tool for stair pressurization systems. By entering in various parameters for the building and stairs, as well as the assumed outdoor temperatures, you can get a starting point for the required volumetric flow rate for your stairs. Note that this tool is for estimating purposes only and uses the following major assumptions:
  • All stair doors are closed
  • All stairs are uniform in dimension
  • Building/stair temperature is 70F
  • Atmospheric pressure is 14.7 psi
  • No wind effects
  • No other pressurization systems in the building

This tool does not account for all required considerations in a rational anlaysis report, such as wind effects.

If you are working on a project utilizing stair pressurization and need assistance, including with rational analysis, our friends at Campbell Code Consulting can help. They have extensive experience with stair pressurization systems, including conducting CONTAM modelling to optimize the design of the systems.  Reach out for an initial consultation!
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Need assistance on your specific project?

Add Campbell Code Consulting to your team. They are a full-service code consulting and fire protection engineering firm that can help you navigate complex code challenges.

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Copyright © 2019-2025 The Building Code Blog
The views, opinions, and information found on this site represent solely the author and do not represent the opinions of any other party, including the author's employer and the International Code Council, nor does the presented material assume responsibility for its use.  Local codes and amendments may vary from the code requirements described herein. Fire protection and life safety systems constitute a critical component of public health, safety and welfare and you should consult with a licensed professional for proper design and code compliance.
  • Home
  • Blog
  • About
  • Tools
    • Allowable Height & Area Calculator - Non-Separated Mixed Occupancy
    • Allowable Height & Area Calculator - Separated Mixed Occupancy
    • Average Grade Plane Calculator
    • Calculated Fire Resistance for Wood Walls
    • Fire and Smoke Damper Tool
    • Fire Wall/Exterior Wall Intersection Tool
    • Frontage Calculator
    • IBC Occupant Load Calculator
    • Plumbing Fixture Calculator
    • Stair Pressurization Estimator