🔥 UL 263 / ASTM E119 1-3 Hr Rating, W/D Metric & Intumescent Paint Mils

Structural Steel Intumescent Fireproofing Calculator

Calculate thin-film intumescent fire-resistive coating (UL 263 / ASTM E119) dry film thickness (DFT in mils) for structural steel beams and columns based on steel section profile (W/D or A/P ratio) for 1-hour, 2-hour, and 3-hour fire endurance ratings.

1. Project & Operating Inputs

Steel Perimeter Surface Area to Fireproof (Square Feet)

Fire Rating Required (Hours e.g. 2 for 2-Hr Rating)

Customer Bid Price per Sq Ft ($ / Sq Ft Applied)

Intumescent Paint Drums, Primer & Spray Labor ($ / Sq Ft)

2. Financial Breakdown & Yield

UL 263 INTUMESCENT FIREPROOFING DFT

Turnkey Job Gross Profit

Fireproofing Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost