If you have the slightest doubt about whether you can contain the fire, don t even try. Your first concern should be the safety of yourself and your crew. Burning fiberglass is extremely hot and gives off noxious fumes. If fiberglass is burning, get off the boat immediately. P ull the pin.
Some extinguishers require releasing a lock latch, pressing a puncture lever, or other motion.
Extinguishers must be held upright. Learn the proper procedure for your extinguisher before you need to use it. Check the manufacturer's instructions printed on the label affixed to the extinguisher. S queeze or press the handle to release the extinguishing agent. S weep from side to side at the base of the fire, or use a series of short blasts aimed at the base.