How To Cut And Seal A Door Between Box And Cab On Truck
How to Choose the Right Rubber Boot Seal
You can buy rubber boot material for your special project. This seal is manufactured from robust EPDM synthetic rubber compound and contains a pliable spring steel clip for fastening to any flange. This material is available by the foot. To decide how much you need measure the distance encircling your cab opening. You get three choices of rubber to use for sealing your cabs together.
Quick and Easy Installation
Installing this rubber boot is user-friendly and can be done with few tools. Just secure the seal tightly onto the edge of the window or pass through opening. This forms a tight connection between the two units. Regardless of whether you're camping, this seal prevents moisture and preserves cabin integrity during your journey.
Why EPDM Rubber Is the Best Choice for Long-Lasting Seals
The EPDM rubber seal is crafted to resist harsh conditions such as sunlight. It's tailored for both commercial fleets. Compared to low-grade seals, this material lasts longer. It's a reliable option for anyone looking to protect their truck cab connection with a dependable sealing solution.
How To Cut And Seal A Door Between Box And Cab On Truck Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| U-Channel Orientation Consistency | Both U-shaped edges face the same way for easier installation | Helps avoid confusion during install, especially for beginners |
| Custom Length | Get the exact amount you need with no waste or shortages | Great for DIY box truck or custom overland builds |
| Prevents Heat and Sound Transfer | Improves cab comfort by blocking wind and road noise | Useful for sleepers and audio builds |
Order Form
To begin your order just enter the total amount of feet of boot material you need in the appropriate box next to the item you want to order below. Check your entries then click on the "Order Now " button.
Accordion Boot - Part Number 541

The accordion boot is designed for cabs where you take out the truck window. This product works best with fiberglass shells that are 1/8" to 3/16" thick. Please note that both openings must be exactly the same size for this boot to fit properly.

$8.95 per foot
In Stock
Order 541
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Compression Boot - Part Number 540

Use this seal when you leave the rear slider window in the truck. This product works best with fiberglass shells that are 1/8" to 3/16" thick. You will also use this boot if the opening in the fiberglass shell is much larger than the opening in your truck.

$7.95 per foot
In Stock
Order 540
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Extra Wide Accordion Boot - Part Number 543

The extra wide accordion boot is designed applications where you have a large gap between the space you want to seal. This product works best with fiberglass shells or sheet metal flange that are 1/8" to 3/16" thick. Both openings must be exactly the same size for this boot to fit properly.
$11.50 per foot
In Stock
Order 543
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Accordion Boot - Ultra Wide 10" Part Number 544

The Ultra Wide 10 Inch accordion boot is designed for very wide gaps between cabs.. This product works best with fiberglass shells that are 1/8" to 3/16" thick. Please note that both openings must be exactly the same size for this boot to fit properly.
$13.90 per foot
In Stock
Order 544
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Accordion Boot 15 - Part Number 546

The Accordion Boot 15 is designed applications where you have a large gap between the space you want to seal. This product works best with fiberglass shells or sheet metal flange that are 1/8" to 3/16" thick. Both openings must be exactly the same size for this boot to fit properly.
$16.50 per foot
In Stock
Order 546
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Compression Bulb Seal - Part Number 545

Use this seal when you leave the rear slider window in the truck. This product works best with fiberglass shells that are 1/8" to 3/16" thick. You will also use this boot if the opening in the fiberglass shell is much larger than the opening in your truck.
$8.25 per foot
In Stock
Order 545
- Enter the total amount of feet of boot material you need in the text box
- Check your entries, then click on the "Order Now" button.
Frequently Asked Questions
- How do I measure for a how to cut and seal a door between box and cab on truck?
To install a = how,to,cut,and,seal,a,door,between,box,and,cab,on,truck ?>, use a flexible tape to measure the full perimeter of the opening. Add 1–2 inches for adjustment or overlap.
- Can I keep my sliding windows and still use a = how,to,cut,and,seal,a,door,between,box,and,cab,on,truck ?>?
Unfortunately, no. The slider windows must be removed because the how to cut and seal a door between box and cab on truck equires a clean flange or wall to attach. Sliders block access to this area.
- I have a truck with a wood framed utility box and would like join the cab and box using the accordion boot. How to I attach the boot?
You will not be able to attach the boot material to the wood, It is too thick. The best way to remedy this is to add a flange to the box. This could be done with steel or aluminum flat bar, or something similar (i.e. sheet metal, fiberglass), installed around the perimeter of the opening to allow the boot to attach to the box
