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Marine vessel with boat edge trim and molding

Boat Edge Trims & Seals for the Marine Industry

Are you looking for boat carpet trim, hatch seals, or boat rubber trim for your watercraft? Find the boat parts and accessories you need in Trim-Lok’s collection of window seals, rubber trim seals, and plastic edge trims.

A Trusted Marine Rubber Extrusion Manufacturer 

Commercial container ship with boat hatch seals

Trim-Lok is the marine industry’s go-to manufacturer for rubber extrusions and plastic trim seals. With A Trusted Marine Rubber Extrusion Manufacturer over 5 decades of custom design and engineering expertise, we’ve built a reputation marine OEMs have come to rely on. Our off-the-shelf parts and custom boating products solve a variety of common and complex problems—from water resistance to efficiency, noise reduction and more. We can work directly with you to engineer, prototype and manufacture a custom solution that meets your needs.

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Marine Application Benefits 

Our trim seals, marine rubber seals and flexible boat edge trims can help you achieve a variety of application benefits:

  • Water resistance: Improve water resistance by keeping the interior of the boat dry while reducing risk of mold, mildew and rot
  • Comfort: Reduce noise and vibration transmitted through the boat, making for a more comfortable ride
  • Energy efficiency: Reduce drafts in the interior of the boat for a more consistent, even temperature and energy consumption
  • Appearance: Enhance or customize aesthetics by covering unsightly gaps or cracks
  • Durability: Withstand harsh marine conditions over time

Personal & Recreational Boats

Boat hatch seal on a private recreational boat

Personal and recreational watercrafts, such as canoes, sailboats, kayaks and motorboats, require routine maintenance and repairs. Many boat owners make improvements to seal out water, add decorative edging to enhance appearance or secure carpet, and cover rough fiberglass edges.

Trim-Lok offers boat parts and accessories for a variety of solutions:

  • • Boat rubber trim seals for windows, deck hatches, and storage compartments
  • • Edging for cabin doors and rough fiberglass
  • Boat carpet trim for where fiberglass meets carpet
  • • Drip rails for water gutter application in engine compartments

Boat Window Seals

EPDM locking gasket for a boat hatch seal Are you looking for the right waterproof boat stationary window seal? Our EPDM locking gaskets are designed to resist severe weather, sunlight, pressure, and aging. Use our locking gasket installation tools to easily install locking gasket marine weather stripping on your boat window or hatch. 


Boat Hatch Parts & Trim Molding

Weather strip and protect your boat from rain, wind, cold or heat—and give it a finished look using Trim-Lok’s PVC plastic trim with attached EPDM sponge rubber tubing. Explore custom rubber trim seals, ideal for boat hatch seals and boat trim molding, or customize your own boat hatch seal with our hatch seal product builder.

Boat Edge Trim Clips

Are you looking for a more secure grip for your boat console molding? Our Rubber-Lok trim feature black PVC plastic that simulates the look and feel of rubber, and individual internal metal clips retain the permanent grip you need.

Replaceable Handle Grip

Are there any handles or bars on your boat you’d like to ensure a firm grip on? Explore our replaceable grip wrap and tape to prevent slips.

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Commercial Boats

Commercial tugboat with edge trim and molding

Trim-Lok’s collection of plastic edge trims and rubber seals extends to the commercial boat industry. Whether you need boat edge trim for a vessel engaged in commercial trade or marine weather stripping for a passenger ferry, landing craft, tugboat and more, we can supply a product that meets your needs. 

Try Before You Buy 

Not sure if a product is right for you? Request a free sample to see our products firsthand before you place your order. 

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Marine Industry Trims & Seals FAQs 

+ Can you accommodate custom requests for marine-specific rubber seals, flexible plastic edge trim, and trim-seal products?

Our team has a wide array of skill sets and deep industry knowledge. We are prepared to solve your unique marine industry challenges and create efficient experiences. We’ll work closely with you to determine your goals and exact requirements.

+ What are your capabilities in producing marine trims and seals?

Trim-Lok has over 50 years of custom product and design capabilities, and our product engineers are experts in marine-related trims and seals. We work to accommodate your specific marine needs through a variety of in-depth capabilities:

  • • On-site customer reviews of the problem
  • • Engineering design and development using the latest in 3D CAD software and FEA
  • • Reverse engineering as required
  • • Secondary design processes, such as splicing, coating or notching
  • • State-of-the-art rapid prototyping techniques
  • • Materials, colors and compounds to match customer requirements
  • • Rigorous quality control
  • • On-site fit trials of first articles
+ How do you ensure the quality of your marine rubber extrusions?

Customer satisfaction is our number one priority. Our objective is to ship quality and reliable products to all our valued customers. Our goal is to maintain a Quality Management System that meets or exceeds the requirements specified in the ISO 9001:2015 / IATF 16949:2016 Standard.

We are continuously improving the manufacturing process, products and service, without compromising quality, to meet or exceed the expectations of our customers.

Learn more about our quality policy

+ Do you offer any warranties or guarantees on your marine rubber extrusions?

Trim-Lok, Inc. warrants all products to be free from defects in material and workmanship for a period of ninety (90) days from date of purchase. This warranty does not include damage to products resulting from accident, misuse, improper installation or storage, and unauthorized alterations.

Learn more about our product warranties

+ Can you provide information on the lead times for your marine rubber extrusions?

Trim-Lok is based in Buena Park, California, with additional manufacturing capabilities in the Midwest at our Elkhart, Indiana location. Both locations help us serve marine customers in high-need regions, such as the Pacific northwest, the southeast, and Florida. Customers enjoy shorter lead times and decreased shipment times due to these two convenient locations.

+ Can you provide information on packaging options for rubber extrusions, trims and seals?

Trim-Lok can provide personalized packaging options for your custom trim molding, extruded rubber seals, custom boat edge trims and more. Our custom packaging options include:
  • • Custom boxing
  • • Custom reels
  • • Custom bagging
  • • Header cards for retail
  • • Private label

+ What are your shipping and delivery options for rubber and plastic extrusion, seal and trim products for marine manufacturers?

We provide timely and cost-efficient shipping from our West Coast and Midwest manufacturing facilities. Most in-stock materials and products can ship on a same-day or next-day schedule.