Understanding Fiberglass Pool Warranties: What You Need to Know
Buying a fiberglass pool is a big investment, and a solid warranty can give you peace of mind. But not all warranties are the same. While they might sound great on the surface, the details can make a huge difference in what’s actually covered.
If you’re thinking about getting a fiberglass pool, here’s what you need to know about warranty coverage, what to look for, and potential red flags before making your decision.
Structural Warranties: What They Really Mean
Most fiberglass pool manufacturers offer a structural warranty that lasts 30 years to a lifetime. Sounds great, right? The truth is, structural failures in fiberglass pools are incredibly rare—so while the warranty is nice to have, it’s not necessarily a major point of comparison between brands.
Where things really start to vary is in the surface and gel coat warranties—this is where you need to pay close attention.
Does the Warranty Cover Osmosis?
Osmosis is a problem that can happen when moisture gets trapped in the fiberglass, leading to blisters or bubbles in the pool surface. While this is more common in older pools, you’ll want to check how your manufacturer covers it.
Here’s what to look for:
- Lifetime osmosis coverage is best—not all manufacturers offer this
- Some companies include osmosis protection in the structural warranty, while others list it under the surface warranty, which may have a shorter coverage period
- Be cautious of vague wording or companies that bury osmosis exclusions in the fine print
If a warranty doesn’t mention osmosis at all? That’s a red flag.
Gel Coat Warranty: The Big Difference Maker
The gel coat is what gives your fiberglass pool its smooth feel and vibrant color, so this is an area where you definitely want good coverage. Unlike structural warranties, gel coat warranties vary a lot between manufacturers.
What to check:
- A clear, written warranty for gel coat coverage
- At least 7-10 years of protection against fading or surface defects
- Beware of warranties that don’t mention gel coat protection at all—this could mean it’s not covered
Some manufacturers offer no warranty on gel coat fading or damage, which means you’re on your own if the color starts to fade or wear down over time.
Join pool industry veterans Cory and Alex as they break down the critical details of fiberglass pool warranties.
Will a Saltwater System Void Your Warranty?
getSaltwater pools are becoming more popular, but some fiberglass pool manufacturers still void warranties if you install a salt chlorination system.
Here’s what you need to know:
- Some brands, like Aviva Pools, are fully compatible with saltwater systems
- Others won’t cover damage if salt is used in the pool
- Always confirm salt system compatibility before installation
If a company voids the warranty for salt systems, it may be a sign that their materials aren’t as durable as they claim.
How to Compare Fiberglass Pool Warranties
When evaluating warranties, don’t just skim the sales pitch—read the actual document and check these key areas:
1️⃣ Read the Fine Print
Are there hidden exclusions or vague language?
What voids the warranty? (Salt, chemical use, lack of maintenance, etc.)
Are there different coverage periods for different parts of the pool?
2️⃣ Look at the Manufacturer’s Reputation
How long has the company been in business?
Do they have a track record of honoring warranties?
What do customer reviews say about their warranty support?
3️⃣ Understand What’s Actually Covered
Structural warranty → Should be at least 30 years or lifetime
Surface/gel coat warranty → Look for at least 7-10 years
Osmosis coverage → Check if it’s included and for how long
Saltwater compatibility → Make sure using a salt system won’t void coverage
Installation Matters Just as Much as the Warranty
Even if you have the best pool warranty in the world, it won’t mean much if the pool isn’t installed correctly. Many warranty issues stem from improper installation, which is why working with a qualified, experienced pool builder is so important.
✔ A professional installer ensures the pool is level, supported, and properly plumbed
✔ Manufacturer warranties often require certified installation to stay valid
✔ An expert team can guide you on maintenance and best practices to extend your pool’s lifespan
When you choose Pools by Cory, you don’t just get a pool, but a team that stands behind every project we build.
Final Thoughts: Choosing the Best Warranty for Your Pool
A great warranty should:
- Offer lifetime structural coverage
- Cover osmosis and surface protection
- Include gel coat protection for at least 7-10 years
- Be clear, specific, and free from hidden loopholes
- Allow for saltwater compatibility without voiding coverage
Ultimately, understanding your warranty is about protecting your investment—and avoiding surprises down the road.
Have questions? Our team is here to help! Whether you’re just starting your pool search or ready to move forward, we’ll walk you through your options so you can choose a pool with confidence and peace of mind.
📞 Call us today to get started on your dream pool!