ARTICLE: Van Interior Trim Kits: Save Time, Cover Curves & Get a Professional Finish
Last updated: November 3, 2026
Van interior trim kits cover bare metal pillars, door frames, and hard-to-finish transitions with pre-cut pieces made for each van. GoCode trim is vacuum-formed 3/16" ABS haircell plastic, and its two main purposes are a finished look and a faster build. It saves 40+ hours of build time for Mercedes Sprinter, Ford Transit, and Ram ProMaster vans, and it goes in before wall and ceiling panels.
How Does a Trim Kit Save Time on a Van Build?
Trim pieces are pre-cut for each van's geometry, so there is no fitting from scratch. Aftermarket trim may require fitting, and on a Transit it may require extensive fitting. Pieces attach with self-tapping screws and/or bolts along the main pillars. Trim also bridges hard-to-reach areas, which makes them buildable for the rest of the build. A day of trim install changes the whole feel of the space.
How Does Trim Handle Complex Curves?
The Transit is the clearest case. Its trim covers the factory foam blobs and compound curves that are the hardest part of a Transit build to build around. On the ProMaster, ABS trim covers the B, C, and D pillars, while the aluminum Rail covers the corner gussets at the wall to ceiling transition. You're left with a square for wall panels after trim is installed. On the Sprinter, trim covers the main pillars, which are difficult to build around.
What Gives a Van Interior a Professional Finish?
Bare metal looks rough and covered trim looks finished, more like a house. Fit matters, because poorly fitted trim looks cheap. GoCode trim is pre-cut for each van, and it comes in standard, matte, and upholstered options. The ABS is paintable, so builders can match their interior components. See the paint and upholstery guides in Related Resources.
What Is Vacuum-Formed Trim?
GoCode trim is made from vacuum-formed 3/16" ABS haircell plastic. It is lightweight, durable, paintable, easily customizable, and DIY-friendly. Vacuum forming is a manufacturing process that shapes plastic with heat and suction. A flat plastic sheet is heated until it softens, then stretched over the trim mold. A vacuum pulls the soft sheet tight against the mold’s surface, and the plastic cools into that shape. The formed part is then trimmed out of the sheet. GoCode trim is made from 3/16" ABS black haircell plastic, which is vacuum-formed.
Which Trim Kit Fits My Van?
Van | Trim covered | Material |
|---|---|---|
Mercedes Sprinter | B-pillars, C-pillar + Overslider, D-pillar threshold | 3/16" ABS haircell plastic. Standard, matte, and upholstered options |
Ford Transit | B-pillars (driver and passenger), bulkhead, D-pillar (rear door threshold), compound curves and factory foam blobs | 3/16" ABS haircell plastic. Standard, matte, and upholstered options (grey heather and black) |
Ram ProMaster | B, C, and D pillars, plus corner gussets (wall to ceiling transition) | ABS for the pillars, aluminum Rail for the corner gussets |
Can I Install Trim After Wall and Ceiling Panels?
Yes, but it is best to install trim first. Post-panel installs are possible and may require trimming.
Key Takeaways
Trim covers bare metal and hard-to-finish areas with pre-cut pieces for each van.
Pre-cut trim saves fitting time compared to generic or aftermarket trim.
Transit trim covers compound curves and foam blobs. ProMaster uses an aluminum Rail for corner gussets.
GoCode trim is vacuum-formed ABS that is lightweight, durable, and paintable.
Install trim before wall and ceiling panels for best results.