Foam

Question 1

State the application rate of foam:

Answer 1

6.5 litres per minute per m2

Question 2

What are four (4) advantages of foam:

Answer 2

• Requires less water to extinguish fire
• Reduces the danger of re-ignition due to smothering and insulating effects
• Foam can be used to totally flood areas or compartments
• Foam can be used to extinguish fires where firefighters are unable to access the fire or to use water streams

Question 3

What are four (4) disadvantages of foam:

Answer 3

• The correct foam proportioning equipment is essential to produce the optimum quality and quantity of foam
• Foam concentrate can be quite expensive
• foam may be attacked by certain chemical agents
• The foam application may be affected by strong winds which can expose the fuel and allow re-ignition to occur. Winds can also prevent the stream reaching the fire.