Marine Foam Filled Fenders
As a professional manufacturer, Hongruntong Marine supplies boat fenders: inflatable yacht fenders, yacht fenders inflatable, foam flat fender & marine foam filled fenders—portable for yachts, durable for small boats.

Hongruntong Marine specializes in manufacturing versatile foam flat fender systems and high-performance inflatable yacht fenders. Our product range includes durable yacht fenders inflatable, reliable boat fenders, and advanced marine foam filled fenders for superior vessel protection.
Hongruntong Marine is a trusted manufacturer of small-vessel protection equipment, specializing in boat fenders that cover two core user needs: portability and durability. Our product lineup includes yacht fenders inflatable (and its equivalent inflatable yacht fenders) for on-the-go yacht owners, space-saving foam flat fender for tight dock gaps, and low-maintenance marine foam filled fenders that require no inflation. Designed exclusively for private yachts, fishing boats, and leisure craft, our fenders balance lightweight design (easy to handle) and marine-grade durability (resist saltwater/UV), solving common pain points like “bulky storage” (for inflatables) and “frequent inflation checks” (for foam models). We serve global clients from coastal marinas to inland waterways, with a focus on “simple use, long-term reliability.”
Key Features & Benefits
Closed-Cell Foam Core — Prevents water ingress and ensures the fender remains unsinkable.
High Energy Absorption — Effectively reduces impact forces between vessel and quay or dock.
Durable Outer Skin — Resistant to UV, seawater, oil, and abrasion for long service life.
No Inflation Needed — Eliminates the risk of deflation, ensuring reliability and low maintenance.
Lightweight & Easy Handling — Simple to deploy, retrieve, and store on board.
Custom Options — Available in various sizes, colors, and foam densities to meet yacht-specific requirements.
Applications
Luxury yacht berthing at marinas and yacht clubs
Motorboats and sailing vessels during docking and mooring
Floating pontoon and private dockside protection
Tender boats and service craft requiring durable and lightweight fenders
Technical Specifications


| Specification | Standard Model | Premium Model |
|---|---|---|
| Core Material | Closed-Cell EVA Foam | Marine Grade EVA Composite |
| Density Rating | 40-60 kg/m³ | 60-90 kg/m³ |
| Buoyancy Ratio | 3:1 (Weight to Buoyancy) | 4:1 (Weight to Buoyancy) |
| Temperature Range | -40°C to +70°C | -45°C to +80°C |
| UV Resistance | 500+ hours (ISO 4892) | 1000+ hours (ISO 4892) |
| Color Options | 3 Standard Colors | 6 Premium Colors |
Detailed Images





Why Choose Hongruntong Marine?
As a direct supplier of boat fenders, we offer unique advantages for small-vessel clients:
Quality & Service
We prioritize reliability for small-vessel users, who rely on fenders for daily protection:
FAQ
Q: What are the advantages of foam flat fender designs?
A: Our foam flat fender provides larger contact surface area, better space efficiency, easier installation on flat surfaces, and superior protection for docks and vessel hulls compared to traditional cylindrical fenders.
Q: How do inflatable yacht fenders compare to solid foam fenders?
A: Inflatable yacht fenders offer excellent portability, compact storage when deflated, and adjustable buoyancy, while maintaining reliable protection similar to solid marine foam filled fenders.
Q: What maintenance do boat fenders require?
A: Our boat fenders require minimal maintenance - regular cleaning, visual inspection for damage, and for inflatable models, periodic pressure checks to ensure optimal performance.
Q: Can yacht fenders inflatable be used in extreme weather conditions?
A: Yes, our yacht fenders inflatable are manufactured with weather-resistant materials that maintain performance in temperature ranges from -40°C to +70°C, suitable for various climate conditions.
Q: Are marine foam filled fenders suitable for permanent installations?
A: Our marine foam filled fenders are ideal for permanent installations with excellent durability, UV resistance, and long-term performance characteristics for continuous marine protection.