How thick are foam fender covers usually?

Foam fender covers—the tough outer “skin” of foam filled marine fenders—are typically 1.0 in (25 mm) to 1.5 in (38 mm) thick.
For example, standard NANHAI foam-filled ship fenders have a 25 mm skin on smaller models and up to 38 mm on very large 10 ft‑diameter units.

Why this matters now

Imagine a busy port—ping!—a ship lightly bumps and the dock gets scraped. That’s avoidable damage. Thicker fender skins mean more abrasion resistance, longer lifespan, and fewer dents. As ports rush to boost terminal efficiency post‑pandemic, reliable marine fenders, including those sold by NANHAI, are vital for reducing maintenance emergencies and protecting vessels and infrastructure.

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Key fact: Foam‑fender skins range from 25 mm (1 in) on small fenders to 38 mm (1.5 in) or more on large-scale foam filled marine fenders.
Why that thickness? To protect the foam core and absorb impact without puncture.
What’s standard in ship fenders? Minimum ~25 mm skin thickness—up to ~32 mm on many naval‑grade models.

Comparing foam fender skin thickness: real-world examples

1. Small port/mooring fenders (≤ 5 ft dia): ~25 mm skin
2. Large commercial/industrial fenders (≥ 10 ft dia): ~38 mm skin
3. Typical marine foam‑elastomer fender: closed‑cell foam + nylon reinforced polyurethane skin

And yes—NANHAI offers sizes across this spectrum, built to international standards.

Why foam fender thickness matters

• Durability: Thicker skins better resist abrasion from ships, chains, tide
• Energy absorption: Supports the foam core during heavy compression
• Puncture protection: Prevents punctures that could expose foam
• Lifetime ROI: Thicker = fewer replacements, less downtime

Choosing the right foam fender

Match diameter & thickness

• Small vessels → choose fenders with ≥ 25 mm skins
• Larger ships/terminals → aim for ≥ 32–38 mm skins

Core type matters

• Closed‑cell foam cores don’t absorb water—ideal for marine fenders
• Reinforced skins (nylon, Kevlar) are standard on quality ship fenders

Compare foam fender brands

• NANHAI foam filled fenders for sale offer industry‑standard thickness and reinforcement
• Look for marine fenders tested to PIANC or Navy specs

FAQ

Q: What are foam filled fenders?
A: Marine fenders with a closed‑cell foam core and a tough elastomer skin—if punctured, they stay buoyant and functional

Q: How thick should ship fenders be?
A: Depends on size—common specifications call for at least 25 mm skin; large diameters require up to 38 mm or more.

Q: Difference between foam and pneumatic fenders?
A: Pneumatic fenders rely on air and can deflate if punctured. Foam‑filled fenders remain operable since the foam core doesn’t leak.

Q: Where can I find foam fenders for sale?
A: Companies like NANHAI supply foam filled marine fenders worldwide. You can also get them through marine‑equipment distributors that list sizes, energy-absorption specs, and skin thickness.

Takeaway

If you’re choosing foam filled marine fenders, check skin thickness first—25 mm covers most uses, while heavy-duty installations need 32–38 mm. That’s how NANHAI ensures top-tier marine fenders, ship fenders, and durability in all seaworthy conditions. Want help matching fender spec to your vessel? Just say the word—we’re here to assist!