
Boat fenders, also known as 'boat bumpers', are a must-have accessory for all types of boats, from motor yachts to small runabouts. They are placed between the boat and another object, such as a dock, jetty or another boat, to prevent damage to the vessel or berthing structure. Fenders are typically made from soft vinyl, foam, or rubber, and can be inflatable or padded. They are designed to absorb the kinetic energy of a boat or vessel berthing against another object, protecting the boat from scratches and dings, and helping to preserve its paint, varnish, gunwales and hulls.
| Characteristics | Values |
|---|---|
| Purpose | To provide a cushion between a boat and a dock, jetty, piling or another boat |
| Function | Absorbing the kinetic energy of a boat or vessel berthing against a structure or another vessel |
| Protection | Preventing damage to paint, varnish, gunwales and hulls |
| Construction | Inflatable or padded, made from soft vinyl, foam, woven hemp line, rubber, foam elastomer or plastic |
| Types | Cylindrical, air-filled ball, or other shapes and materials |
| Usage | Can be tied horizontally to cover a broader section of the hull |
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What You'll Learn
- Boat fenders are placed between the boat and another object, such as a dock or another boat, to prevent damage
- Fenders are typically made from soft vinyl, foam, or rubber
- Fenders are used on all types of vessels, from cargo ships to small leisure craft
- Fenders can be mobile or permanent
- Fenders can be tied horizontally to cover a broader section of the hull

Boat fenders are placed between the boat and another object, such as a dock or another boat, to prevent damage
Boat fenders, also known as boat bumpers, are placed between a boat and another object, such as a dock, jetty, piling or another boat, to prevent damage. They are used by all types of boats, from motor yachts and sailboats to small runabouts, to protect paint, varnish, gunwales and hulls from dings and scratches. Fenders are typically made from soft vinyl, foam, rubber, plastic or even woven hemp line. They can be inflatable or padded, and cylindrical fenders are the most common type.
Fenders are designed to absorb the kinetic energy of a boat or vessel berthing against another object. They have high energy absorption and low reaction force, acting as elastic buffer devices to slow ships down and prevent damage to the ship or dock structure in the mooring process.
Fenders can be tied horizontally to cover a broader section of the hull, which works well when fending off a protruding vertical piling.
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Fenders are typically made from soft vinyl, foam, or rubber
Boat fenders, often referred to as 'boat bumpers', are placed between a boat and a dock, jetty or another boat to prevent damage to the boat. They are typically made from soft vinyl, foam, or rubber.
Fenders are air-filled balls or devices in other shapes and materials used to absorb the kinetic energy of a boat or vessel berthing against a jetty, quay wall or other vessel. They are used on all types of vessels, from cargo ships to cruise ships, ferries and personal yachts.
Most fenders (particularly inflatables) are constructed from soft vinyl, although a number of other materials like foam – or even woven hemp line found aboard some traditional craft – may be used as well. Cylindrical fenders are the most common type you’ll see aboard recreational vessels.
Rubber fenders are either extruded or made in a mould. The type of fender that is most suitable for an application depends on many variables, including dimensions and displacement of the vessel, maximum allowable stand-off, berthing structure, tidal variations and other berth-specific conditions.
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Fenders are used on all types of vessels, from cargo ships to small leisure craft
The type of fender used depends on several variables, including the dimensions and displacement of the vessel, the maximum allowable stand-off, and berth-specific conditions such as tidal variations. Fenders can be mobile, such as those used on yachts and small leisure craft, or permanent, such as those found on docks and other marine structures. Mobile fenders are placed between the boat and the dock as the boat approaches, while permanent fenders are used to avoid damage from boats and to slow ships down during the mooring process.
Boat fenders, often referred to as "boat bumpers", are a must-have accessory for any boat owner. They help protect the boat and its paint, varnish, gunwales and hull from potential dings and scratches that can occur during docking, rafting, or mooring.
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Fenders can be mobile or permanent
Mobile fenders are typically inflatable or padded cushions made from soft vinyl, foam, or even woven hemp line. They can also be air-filled balls or devices made from rubber, foam elastomer or plastic. They are placed between a boat and another object, such as a dock, piling or another boat, to protect the boat from potential dings and scratches that can happen while docking, rafting or mooring.
Permanent fenders are used on ports and docks on quay walls and other berthing structures. They act as elastic buffer devices that are used to slow ships down and prevent damage to the ship or dock structure in the mooring process.
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Fenders can be tied horizontally to cover a broader section of the hull
Boat fenders, often referred to as 'boat bumpers', are placed between a boat and another object, such as a dock, jetty or another boat, to prevent damage. They are typically made from soft vinyl, foam, rubber, or plastic, and are designed to absorb the kinetic energy of a boat or vessel berthing against something else.
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Frequently asked questions
Boat fenders, also known as boat bumpers, are inflatable or padded cushions placed between a boat and another object, such as a dock or another boat, to prevent damage.
Boat fenders are typically made of soft vinyl, foam, or rubber.
Boat fenders work by absorbing the kinetic energy of a boat or vessel berthing against another object. This helps to slow the boat down and prevent damage.
Boat fenders can be tied to the boat horizontally to cover a broader section of the hull, or placed between the boat and another object as the boat approaches.











































