Sealants, Lubricants, Epoxy & Fillers

Marine Sealant, Lubricant, Epoxy & Fillers 

If you are a boat owner, then you may be fully aware of the steps you need to make to ensure that your boat remains effectively protected from water and other damaging external conditions. This can be done by frequently maintaining your boat, whether this is undertaken professionally or personally.

Our range of marine grade sealants are perfect for this purpose. We provide a variety of products that upon application, can create a waterproof seal that can be used on joints and marine hardware that will be in and above water. Our product range also includes a number of alternative maintenance products, such as epoxy glue, lubricants, fillers, marine epoxy sealant, marine caulking sealant, marine silicone rubber sealant and more!

Best Boat Sealant

Looking for the best boat sealant? Look no further. With Pirates Cave, you are guaranteed top quality boat maintenance products across the range. This is why we only sell marine grade sealants, lubricants, epoxy and fillers from leading brands such as Gorilla, International, Lancote, Loctite, MagicEzy and others.

Our marine and industrial sealants are perfect for different uses. We provide: 

Marine Epoxy Sealant

This type of epoxy filler is ideal for preparing osmosis damage, filling scratches and any holes formed above and below the waterline. Marine epoxy sealant can be used to join wood, steel, alloy, iron, ferro-cement and GRP. 

Boat Silicone Sealant

There are many varieties of boat silicone sealants available on our website, each with a different purpose. Whether you purchase a spray or filler, your vessel will benefit from hard fast waterproofing and gathering of dust. Silicone marine sealants can be attached to metal, sailcloth, paint, varnished woods and even fibreglass. 

Marine Industrial Sealants

Marine grade industrial sealants are perfect for a number of vessels. Whether you are looking for a product for your commercial boat or otherwise, our range of industrial marine sealants can ensure that your vessel remains water repellent and free from leaks for extended periods of time. 

To discover more about our marine sealants, or if you have any questions about our alternative sealant products, feel free to contact our team for further advice. 

Why Shop With Pirates Cave Chandlery? 

Since 1991, we've gained an exceptional reputation - mainly thanks to our excellent customer service and exceptionally fast delivery service, which is why we're rated 'Excellent' on We offer accurate, specialist advice based on the needs of each customer, whether you are a beginner to sailing or have sailed for years. 

With the variety of marine sealant products available on the market currently, it can be somewhat difficult to make the right choice. If you are finding it difficult to differentiate between marine polyurethane sealants and polysulfide marine sealants or if you want to know whether marine grade silicone sealants are for you, then feel free to contact us immediately!

Our customer support team all have extensive marine backgrounds and love sharing their knowledge. You can expect great advice when it comes to deciding on the most appropriate product for you, so if you’re not sure about which marine sealant, lubricant, silicone spray or corrosion protector is most suitable - just ask us, we’re happy to help! Either get in touch with us via email, or give us a call on 01634 295 233, and one of our customer service team will be glad to help out.

We're not just online either, we're one one of the largest bricks and mortar chandleries in the UK, with over 10,000 items in stock. Come and visit our Rochester store today - we're open 7 days a week!

All online marine sealant orders are shipped via our quick and secure, fully-tracked courier service, ensuring that your order is shipped promptly and with the high standards that we strive for from point of purchase all the way through to delivery at your door.



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