Pass-Through Access

So you’re want to create a pass though access by cutting a hole between the cab and box of your truck? Depending on your needs whether you’re building out a box truck camper, a mobile workshop, or just want to crawl through instead of walking around, pass-through cab access a very useful modification to your vehicle.

In this article I will break it down. We will cover what it is, the good, the bad, and a few creative ideas that’ll have you rethinking before you cut that opening.

Continue reading What You Need to Know Before Cutting That Hole

Every now and then I scans the Truck Camper forums to see what people are struggling with — and one issue that pops up is sealing the gap between the truck cab and the camper shell. A thread on redit recently caught my attention. The poster asked a solid question:

“I seem to be having an issue with getting my boot to stay sealed. I understand the shell I have is for a regular cab… does anyone have advice or ideas on how to reinforce my current boot?”

If you’ve ever dealt with this issue, you know exactly what they mean. A loose or poorly fitting boot doesn’t just let air in — it lets water, dust, and road noise in too. The thread had some helpful suggestions that sparked a discussion around how to get a good seal without redesigning your whole camper setup.

Continue reading Boot Seal Woes? Here’s Why Compression Rubber Flaps Might Be Your Answer

Every now and then, we come across a project from the community that’s too good not to share. we found this recently posted some photos and comments about how they created a sealed pass-through between their truck cab and camper shell using an accordion boot — and let’s just say, it’s clean, clever, and totally functional.

Here is our reaction to the post and the comments with helpful insights.

Continue reading How One DIYer Sealed His Camper Pass-Through with an Accordion Boot

Story at a Glance

• A cab-to-box pass-through improves livability, comfort, and stealth access
• An accordion boot provides a flexible, weather-sealed connection
• You’ll need to cut matching openings and fabricate a flange on the box side
• Ideal for DIY box truck campers, mobile workspaces, and vanlife-style builds
• The boot is made of EPDM rubber with a spring steel clip
• Accordion boot box truck conversion

If you’re converting a box truck into a camper, mobile office, or adventure rig, you’ve probably focused on layout, insulation, and storage — but what about access between the cab and the box?

Continue reading Accordion Boot Box Truck Conversion to Add Cab Access

DIY Tips: Converting a Box Truck Into a Livable Rig

In this article we will look at converting a box truck into a livable space. This is great for expedition vehicles , mobile business, or off-grid travel. This is a popular DIY project. But one upgrade that’s totally worth the effort is a pass-through opening between the cab and the box for an accordion boot box truck conversion.

This makes the build feel more like an RV or van. It also provide you with convenience. The best way to seal that pass-through is using a flexible, weatherproof accordion boot.

We will show you how to connect your box truck cab to the rear box using an accordion boot . Along with that how to overcome one of the biggest challenges: lack of a flange on the box wall.

Continue reading How to Install an Accordion Boot Box Truck Conversion

If you’re building a custom subwoofer box in the bed of your truck, you’ve probably run into a common challenge — how to get bass into the cab without leaving a gaping hole that leaks water, dust, and noise.

The solution? A cab-to-bed pass-through sealed with an accordion boot.

This DIY guide will walk you through how to install one, step by step — giving you a cleaner look, better bass, and weather protection your audio build deserves.

Continue reading DIY Guide: Installing an Accordion Boot for Cab and Bed Speaker Box Access

If you’re building a blow-through speaker box setup in your truck — where the subwoofers port through a cutout between the cab and bed — there’s one detail you need to take care of: the seal between those the truck cab and the bed.

That’s where the accordion boot comes in.

This flexible, weather-resistant rubber boot creates a sealed, tunnel-like connection between your cab and bed, making it perfect for custom audio blow-throughs. The accordion boot is a smart and proven solution.

Continue reading Blow-Through Truck Audio Builds: How to Seal the Gap with an Accordion Boot

Use an Accordion Boot for Full Pass-Through Convenience

Building your own DIY overland rig is one of the most rewarding projects you can take on as an outdoor adventurer. Whether you’re exploring backroads, camping off-grid, or just looking for more freedom, converting your truck into a reliable, comfortable overland setup gives you flexibility and control over your journey.

But one feature that very important — and makes a big difference — is cab access. Being able to move between the cab and the camper without stepping outside adds a whole new level of comfort, especially when it’s cold, raining, or you’re stealth camping.

So, how do you make it happen? Simple: install an accordion boot.

Continue reading How to Set Up a DIY Overland Rig with Pass Through Access

Choosing the right accordion boot for your truck doesn’t have to be guesswork. At AccordionBoot.com, we’ve created a free, easy-to-use Boot Opening Calculator that helps you determine the exact perimeter of your window opening based on its shape — so you can order the perfect-fitting boot the first time.

Whether you’re working with a rectangle, circle, oval, or something in between, this tool eliminates the measuring confusion and helps ensure a snug, leak-proof fit.

Continue reading How to Use The Boot Opening Calculator to Find the Right Fit