This video compares the burning of a synthetic sofa with the burning of a sofa that has fire-retardant features - It has a woollen fabric covering and contains combustion-modified foam (foam with chemical fire retardants).
Points of interest
- At about 1 minute 20 seconds, what do you notice about the way the two fires are burning?
- How long did it take the synthetic sofa to be completely engulfed in flames? Compare that to the other sofa.