Dedicated to keeping you watertight & protected.

The Seal Extrusion Company is a British-run business with over 35 years of industry experience. We are a leading manufacturer and supplier of trims, seals, rubber sections, and specialist rubber products.

Our mission is simple: to keep your vehicles watertight, protected, and built to last.

Our dedicated team is committed to delivering the highest level of service, ensuring your requirements are met with quality, reliability, and expertise you can trust.

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Motorhome & Caravans

Replacement Trims

We stock a wide range of products for caravans and motorhomes, including replacement door seals, window seals, pop-top roof seals, and more — helping you keep your vehicle secure, weatherproof, and road-ready.

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Marine Products

Watertight Seals built to last.

We stock a wide range of marine products, including Double D fenders, engine mounts, and edge trims — designed to keep your vessel protected, secure, and watertight for years to come.

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Automotive

Car Restoration

With over 100 products ready to ship — from sliding window edge trims to boot seals — we offer a comprehensive range to help you restore, protect, and maintain your car or van.

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  • Why Prototyping and Sampling Are Essential for Custom Extrusions

    Why Prototyping and Sampling Are Essential for ...

    Prototyping reduces risk and improves final performance. Benefits of Prototyping Confirms fit and function Identifies installation issues early Reduces costly redesigns Sampling ensures confidence before full production begins. Seal Extrusions...

    Why Prototyping and Sampling Are Essential for ...

    Prototyping reduces risk and improves final performance. Benefits of Prototyping Confirms fit and function Identifies installation issues early Reduces costly redesigns Sampling ensures confidence before full production begins. Seal Extrusions...

  • Rubber Extrusion Finishing Options Explained

    Rubber Extrusion Finishing Options Explained

    Extrusions can be supplied ready for installation with additional finishing services. Common Finishing Options Cut-to-length Splicing and joining Adhesive backing Drilling and notching These services reduce installation time and on-site...

    Rubber Extrusion Finishing Options Explained

    Extrusions can be supplied ready for installation with additional finishing services. Common Finishing Options Cut-to-length Splicing and joining Adhesive backing Drilling and notching These services reduce installation time and on-site...

  • What Are Rubber Extrusions? A Complete Guide for Industrial Applications

    What Are Rubber Extrusions? A Complete Guide fo...

    Rubber extrusions are one of the most versatile and widely used components in modern manufacturing and construction. Despite often being unseen, they play a critical role in sealing, protecting, insulating,...

    What Are Rubber Extrusions? A Complete Guide fo...

    Rubber extrusions are one of the most versatile and widely used components in modern manufacturing and construction. Despite often being unseen, they play a critical role in sealing, protecting, insulating,...

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Motohome & Caravans

Our range includes high-quality windscreen mouldings and rubbers, clips, adhesives and tapes, professional fitting tools, universal as well as cutting wire blades, and essential fitting accessories — everything you need for motorhome renovations.

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