A well-outfitted van isn’t just easier to work in—it helps you get more done. That’s why Installing DuraTherm Wall Liners for the RAM ProMaster City are one of the smartest upgrades you can make. In this post, we’ll walk you through the full installation process, point out key features, and share expert tips along the way. You’ll also see how these liners add serious insulation and durability to your setup.

Why Installing DuraTherm Wall Liners in RAM ProMaster City Matters

We work in harsh environments. Consequently, van interiors face extreme temperatures and moisture. Therefore, adding insulated wall panels protects cargo and tools. Furthermore, DuraTherm liners enhance sound dampening. As a result, you enjoy a quieter workspace. Finally, these liners add a professional finish to your van’s interior.

Overview of the DuraTherm Wall Liner System

The DuraTherm kit from Legend includes:

  • Two precision-cut wall panels for driver and passenger sides
  • Grey plastic clips and self-threading screws for secure mounting
  • Cap covers to hide fasteners and maintain aesthetics

Moreover, the system integrates seamlessly with ceiling and door liners. Therefore, you can plan a full Legend liner install. Above all, every component meets strict quality standards.

Step-by-Step Guide to Installing DuraTherm Wall Liners in RAM ProMaster City

Follow these simple steps to mount your DuraTherm insulated liners efficiently:

  1. Gather Tools and Materials
     You need only a Phillips head screwdriver or light impact driver. Then, unpack the hardware bag that includes screws and clips.
  2. Test-Fit Each Panel
     First, identify the driver-side liner by its shorter rear cut. Next, hold it against the van wall. Confirm alignment with existing trim and light cutouts.
  3. Position and Secure Clips
     Slide grey plastic clips into pre-drilled holes on the panel. Then, insert a screw through each cap cover and panel into the van’s sheet metal.
  4. Install Self-Threading Screws
     Use gentle pressure with your drill. Otherwise, you risk driving screws through the liner. Consequently, maintain slow, steady torque.
  5. Trim and Adjust if Needed
     Although panels are pre-sized, slight pressure may be required to fit around trim. If adjustments are necessary, mark and score lightly before final screw placement.
  6. Repeat on Passenger Side
     For the passenger liner, locate the light cutout. Test-fit, then install clips and screws. Ensure the light lens fits smoothly through the panel hole.
  7. Leave Front Fasteners for Shelving
     If you plan to add shelves later, skip front mounting screws. This allows you to tie liners into shelf brackets for extra support.

Preparing Your Workspace

Before any install, we recommend:

  • Cleaning the interior walls to remove dust and debris
  • Laying down protective floor mats to catch stray hardware
  • Reviewing Legend’s PDF instructions on Upfit Supply’s product page

This prep work ensures a smooth, damage-free installation.

Mounting the Driver-Side Liner

We find it easiest to start on the driver side. Here’s why:

  • It often has fewer obstructions.
  • You can lean against the driver’s door for leverage.

Simply align, press panels into place, and drive screws. Then, snap caps over each clip for a clean look.

Aligning and Securing the Passenger-Side Liner

On the passenger side, watch for the interior light. To avoid interference:

  • Remove the light lens first.
  • Fit the liner around the cutout.
  • Reinstall the lens through the panel’s opening.

Finally, verify that no wires pinch behind the liner.

Pro Tips for Flawless Installing DuraTherm Wall Liners in RAM ProMaster City

  • Use Blue Loctite: Apply a drop on each screw to prevent loosening.
  • Avoid Over-Torquing: Excess force can strip self-threading screws.
  • Keep Extras Handy: Panels include extra clips and screws for peace of mind.
  • Work in Sequence: Always install walls before ceiling and door liners.

These simple measures lead to a durable, professional finish.

Final Thoughts on Installing DuraTherm Wall Liners in RAM ProMaster City

At Upfit Supply, we’re passionate about quality van upfits. By installing DuraTherm Wall Liners in RAM ProMaster City, you transform your cargo area into a well-insulated, durable workspace. With easy-install hardware, pre-cut panels, and professional aesthetics, this upgrade delivers on both function and form. Ready to upgrade?

Drive confidently with Upfit Supply—your partner in professional van upfits.

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