Trim-Lok Trim

Trim-Lok Trim: American-Made Edge Protection Built to Last

When it comes to finishing and protecting exposed edges on vehicles, equipment, and enclosures, few names carry more weight than Trim-Lok. Trim products from Trim-Lok represent over five decades of American manufacturing expertise — the company has been producing high-quality plastic and rubber trims and seals since 1971, growing from a small machine shop operation into a globally recognized manufacturer with facilities in Buena Park, California and Elkhart, Indiana.

What Makes Trim-Lok Trim Products Stand Out

At the core of Trim-Lok's trim lineup is a commitment to precision engineering and material quality. Edge Trim is the flagship product family — flexible PVC trim featuring individual internal metal clips and a gripping tongue that locks securely onto raw or sharp edges. This internal clip-and-tongue construction is a key differentiator: it provides a stronger, longer-lasting grip than many competing products on the market, making it a trusted choice for automotive, marine, and RV applications alike.

Beyond standard edge trim, Trim-Lok offers an extensive range of trim configurations designed for specific use cases:

• Trim Seal: A push-on flexible PVC edge trim combined with an integrated EPDM sponge rubber bulb, delivering both a secure mechanical attachment and a watertight seal in a single profile. Available in a wide variety of bulb sizes and edge thicknesses.
• Co-Extruded Trim Seal: Fuses two or more rubber materials with different durometers into a single seamless profile for enhanced durability and performance in demanding environments.
• Flap Seal: Combines PVC edge trim with an attached EPDM sponge rubber flap that creates a protective barrier against moisture, dust, and air intrusion.
• Decorative Trim Seal: Pairs the functional trim seal design with a chrome Mylar finish, ideal for applications where aesthetics matter as much as protection.
• Specialty Trim Seals: Combine unique profiles — including "D" profiles and ribbed configurations — to meet highly specific application requirements.
• Edge Trim Plus: An innovative redesign featuring an updated gripping tongue and backstop configuration for superior installation ease and long-term performance.

Materials Engineered for Harsh Conditions

Trim-Lok's trim products are built to withstand the real-world punishment that automotive, marine, and heavy equipment environments demand. The PVC outer layer resists scuffing and most chemicals, while the EPDM sponge rubber components deliver excellent resistance to ozone, UV exposure, water absorption, and extreme temperatures. Whether protecting a car door edge, an RV storage compartment, a boat hatch, or heavy equipment, Trim-Lok trim holds up where generic alternatives fall short.

A Trim Solution for Every Application

One of the most practical advantages of choosing Trim-Lok for trim is the breadth of available profiles. Hundreds of standard profiles are maintained in stock, often ready to ship the same or next day. For projects with unique requirements, Trim-Lok also offers fully custom-extruded profiles built to exact specifications — including color matching and cut-to-length finishing — making it equally valuable for the individual installer and the production-line manufacturer. It's this combination of off-the-shelf availability and deep customization capability that has made Trim-Lok a go-to source for truck builders, RV manufacturers, marine fabricators, and automotive shops for over 50 years.