#fire-growth-rate

A dark modern living room at night where a small flame burns on a sofa cushion, spreading outward in a glowing ring of fire across the fabric while thin smoke gathers under the ceiling and a wall clock hangs in the shadows — the first seconds of fire growth.

🔥 Fire Fundamentals July 21, 2026 · 14 min read

The t-Squared Fire: How Fire Growth Rate Shapes Escape Time

Slow, medium, fast, ultrafast: how the t-squared curve turns fire growth into numbers, and why modern fuels outrun its four classes.