Rat Guard for Boats & Yachts

for boats with mooring lines Ø 10–50 mm diameter

Our specially developed device effectively prevents rats from climbing along mooring lines and getting on board. The patented design provides protection for all boat sizes.

(plus shipping costs)

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  • Durable
  • Easy installation
  • Made from robust plastic
  • Saltwater- and UV-resistant

Rat Guard for Boats & Yachts – Mooring Line ø 10–50 mm

With No Rats On Board, you get an effective, very easy-to-use, and affordable rat guard for all types of boats and ships that blocks rats’ path along mooring lines.
For sailors and boat lovers, rats are a nightmare. As excellent swimmers and climbers, they reach boats via mooring lines. Once on board, they can cause immense damage in a short time – and lead to high repair costs.
No Rats On Board stops rats effectively before they get on your boat.

More Information

  • Suitable for single or double mooring lines
  • Easy to handle
  • No need to thread the rope through
  • Does not slip
  • Holds on lines 10–50 mm diameter
  • Made from durable plastic
  • Saltwater- and UV-resistant
  • Low space requirement
  • Swiss quality product

Technical Specifications

  • Diameter: 542 mm, split in the middle
  • Carrier ring with two openings for lines
  • Barrier runs on ball bearings and prevents climbing
  • Fits mooring lines with Ø 10–50 mm diameter
  • Total weight: 630g
Swiss quality
24/7 Protection
Secure payment
Fast Shipping

Customer Reviews

What our customers say about the No Rats On Board rat guard

5.0
Michael Huber

Since installing it, we haven’t had a single rat problem anymore. Simple and effective.

M. R.

A practical and clean solution without maintenance. Works perfectly.

Daniel Richter

Does exactly what it promises. Highly recommended.

Alessandro Conti

Solid build quality and quick to install.

Frequently Asked Questions

How does the rat guard work?

The rat guard is mounted directly onto the mooring line and creates a physical barrier. This prevents rats from climbing from the dock onto the boat.

Which mooring line diameters is the product suitable for?

The standard model fits mooring lines with a diameter of Ø 10–50 mm. Larger sizes are currently in preparation – feel free to sign up for our newsletter.

Is the rat guard suitable for my boat (sailboat or motorboat)?

Yes. It is designed for sailboats, yachts, and motorboats.

Is the rat guard saltwater and UV resistant?

Yes. The material is corrosion-free, saltwater-resistant, and UV-resistant.

How many mooring lines can No Rats On Board be used with?

No Rats On Board can be used with one or two mooring lines. The product is specifically designed for use with two lines and provides optimal protection when both mooring lines are equipped with the rat guard.

Can No Rats On Board also be used with only one mooring line?

Yes, No Rats On Board can also be used with only one mooring line. While the product is optimized for use with two lines, it also provides effective protection against rats with just one line. However, for optimal protection, using it on both mooring lines is recommended.

How It Works

How it works – simple installation, maximum protection for your boat

Attach

Mount the rat guard onto the mooring line – no tools required.

Position

Position the device at the correct distance from the boat (for use with one or two lines), as described in the instructions.

Relax

Enjoy peace of mind knowing your boat is protected from rats – 24/7.