Dents are an inevitable aspect of ownership when it comes to pontoon boats. Regardless of how careful you are, at some point you'll end up denting one of the pontoons during docking, and then have to decide whether to deal with an expensive and time-consuming trip to the marina to have it repaired, or just live with the dent. Another alternative is to remove the dent yourself using a dent-repair trick commonly used on automobiles.
Wipe down the dent on your pontoon boat with a damp polishing cloth. Plug your hairdryer into an electrical outlet so that it reaches the dent with enough slack in the cord to move the hairdryer back and forth across the entire dent. Find a place for the air-duster canister within easy reach, because you need it immediately after heating the dent with the hair dryer.
Turn the hair dryer on to its highest power and heat setting. Position the hair dryer so the nozzle is no more than one inch away from the dent on the pontoon boat, but do not allow the hair dryer to actually touch the boat. Slowly move the hair dryer back and forth across the dented area for one minute, heating the dent. Turn off the hair dryer.
Hold the air-duster canister and and quickly turn it upside down with the top facing the ground. This will cause the air-duster to dispense liquid carbon dioxide instead of compressed air. Spray the entire heated dent with liquid carbon dioxide for 30 seconds.
Wait two minutes until the extreme temperature difference between the heated dent in your pontoon boat and the liquid carbon dioxide causes the dent to pop right out.
Wipe off any remaining liquid carbon dioxide with your damp polishing cloth.
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