Stick-Built Curtain Wall Calculator
Mullion and transom quantities from facade layout.
Inputs
Results
Mullion lines
21
Infill panels
220
Transom lines12
Panel width (mm)1,500
Panel height (mm)3,636
Total glass area (m²)1,200
Total framing (m)1,200
Min. mullion Ix (cm⁴)341.7
Est. framing weight (kg)5,040
How to Use This Calculator
- Enter the mullion spacing and floor-to-floor height.
- Set the design wind pressure in psf.
- Input mullion material (aluminum) and moment of inertia.
- Review the mullion maximum bending stress and mid-span deflection.
- Verify deflection is within L/175 or 19mm limit per AAMA 501.
Ad Placeholder
Ad Placeholder