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How can you extend the life of your pontoon boat?

April 20, 2026 by
How can you extend the life of your pontoon boat?
William Simard

Summer is coming.

And summer means time for the pontoon!

But like any equipment exposed to water, sun, and temperature fluctuations, a pontoon requires some care.

Good news: with the right habits, you can easily extend its lifespan by several years.

Here’s how.


1. The Number One Enemy: Moisture

Moisture is responsible for most premature problems on a pontoon.

What it can cause:

• Mold in the seats

• Contaminated foam

• Persistent unpleasant odors

• Warping of the plywood

• Deterioration of canvas seams

Even a pontoon that “looks fine” may be hiding moisture under the benches or beneath the deck.

Regular inspection and prompt action prevent costly replacements.


2. Check the benches (even if they seem to be in good condition)

Benches are constantly exposed to UV rays, moisture, temperature fluctuations, and harsh cleaning products.

Over time, the wood inside can rot and the foam can become contaminated.

That’s why more and more boat owners are opting for plastic structures (like DeckMate benches) instead of wood.

Less susceptible to moisture. More durable. More stable.

A bench that’s weakened today may need to be completely replaced tomorrow.

3. Maintain the cover properly

The cover protects your pontoon when it’s in storage or docked.

But a poorly maintained cover can become a problem instead of a solution.

It is therefore important to check for:

• Weakened seams

• Water buildup

• Areas of wear

• Damaged fasteners

A small seam repair at the right time costs much less than a complete cover.


4. Don’t overlook the deck

The deck is the foundation of everything.

Over time, moisture can seep into the plywood, even if the top layer appears intact.

Here are the signs to watch for:

• Spongy surface

• Discoloration

• Screws that no longer hold securely

• Unusual odor

A weakened floor affects the entire structure of the pontoon.

5. Plan projects in advance (especially during the off-season)

One of the best ways to extend the life of your pontoon?

Don’t wait until a problem becomes urgent.

Early spring is an ideal time to:

• Inspect

• Plan repairs

• Order necessary parts

• Spread out investments

Strategic planning helps you avoid rushed decisions in the middle of the season.

6. Clean… but smartly

Regular cleaning is essential, but be careful with the products you use.

Avoid overly abrasive products, cleaners not suitable for vinyl, and excessive pressure on the seams.

Gentle but consistent maintenance is much more effective than an intensive cleaning once a year.


7. Invest at the right time rather than replacing too late

Sometimes, replacing a component in time can extend the life of the entire pontoon.

For example:

• Replace the benches before moisture spreads

• Restore the deck before the structure is affected

• Replace the cushions before the foam becomes contaminated

A pontoon maintained wisely can last for many more seasons.

In summary: prevention is your best ally

Extending the life of your pontoon isn’t complicated: it’s a matter of attention, inspection, and planning.

A well-maintained pontoon retains its value, offers greater safety, helps you avoid major unexpected expenses, and lets you enjoy the season to the fullest.

But most importantly: It lets you spend more time on the water… and less time on emergency repairs.