Free water begins to evaporate. The wood "dries" before it can burn.
A dry tree (wood) typically requires a surface temperature of at least to ignite spontaneously without an external spark or flame. how hot does it take for a dry tree to just burn
Rapid pyrolysis begins. The wood releases flammable gases (like methane) and starts to char. Free water begins to evaporate
Spontaneous combustion becomes likely if oxygen is present and the heat is sustained. 🕒 The "Time" Factor how hot does it take for a dry tree to just burn
The wood begins to chemically break down (pyrolysis), releasing non-combustible gases like CO₂.
If a pilot flame (like a match or ember) is already present, ignition can occur at much lower temperatures, generally between . 🔥 Key Ignition Milestones