flagging
1. Flagstone. 2. A surface paved with flagstones. 3. The process of setting flagstones.
The rate of propagation of a flame through a gaseous fuel-and-oxidizer mixture relative to a fixed reference point.
The application of a flame-retardant chemical or a flameretardant coating.
A fluid-applied surface covering on a combustible material which delays ignition and reduces flame spread when the covering is exposed
Any chemical which, when added to a combustible material, delays ignition and reduces the spread of flame on the resulting