Stairwell Pressurization Calculation Excel Sheet Free Download
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- Download 1
- File Size 102.50 KB
- File Count 1
- Create Date 2026-04-19
- Last Updated 2026-04-19
| File | Action |
|---|---|
| Stair-Pressurization-Calculation.xls | Download |
If you're looking for a quick and accurate way to design a stairwell pressurization system, you can use our free Excel sheet below.
✔ Calculates airflow automatically
✔ Based on NBC & international guidelines
✔ Easy for engineers & site use
Staircase Pressurization Calculator (Door Leakage Method – NBC / NFPA)
This tool provides a preliminary estimation of staircase pressurization air using the door leakage method as per NBC / NFPA / ASHRAE concept. Final design must be verified by a fire consultant.
• Typical design pressure: 50 Pa
• Leakage area per door is an equivalent leakage area (cracks + gaps)
• Common practice: assume 1 or 2 doors open in fire condition
• This is a preliminary estimation tool
Download free AutoCAD DWG files for MEP engineers including plumbing, HVAC, fire alarm, and electrical systems. All drawings are ready to use and based on industry standards.
📢 Why Download from MEPWORK?
- Free DWG files
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- Designed for engineers
- Updated as per industry standards
MEPWORK.IN is developed by an MEP engineering professional with hands-on experience in building services design and execution.
The platform is created to solve real-world engineering problems and provide practical tools for faster and more accurate project work.
All resources are regularly updated as per latest standards (NBC 2016, IS Codes, NFPA, and 2026 industry practices).