Through-Penetration F/T Rating Calculator
Determine F and T fire ratings, fill volume, and material requirements for through-penetration firestop systems.
Inputs
Results
F-rating (hrs)
2
Opening area (sq in)64
T-rating (hrs)2
Fill material (gal)1.66
Needs intumescent collar (0/1)0
Material cost ($)$74.7
Sleeve Recommended1
How to Use This Calculator
- Enter Opening width (in), Opening height (in), and Barrier thickness (in).
- Set Penetrant type (1-4) and Required fire rating (hrs).
- Review the F-rating (hrs) result.
- Use Opening area (sq in) and T-rating (hrs) to inform your decision.
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