Truck Cap Boot Between Cap And Truck
How to Choose the Right Rubber Boot Seal
You can buy rubber boot material for your special project. This seal is manufactured from resilient EPDM synthetic rubber compound and has a bendable spring steel clip for affixing to any flange. This material is available by the foot. To ascertain how much you require measure the distance encircling your cab opening. You have three alternatives of rubber to use for waterproofing your cabs together.
Quick and Easy Installation
Installing this rubber boot is user-friendly and can be done with few tools. Just fit the seal tightly onto the flange of the window or pass through opening. This creates a tight connection between the two units. Even if you're hauling, this seal prevents dust and helps temperature control during your journey.
Why EPDM Rubber Is the Best Choice for Long-Lasting Seals
The EPDM rubber seal is built to resist rugged conditions such as sunlight. It's suitable for both long-term installations. Compared to generic seals, this material performs better. It's a smart investment for anyone looking to upgrade their truck cab connection with a dependable sealing solution.
Truck Cap Boot Between Cap And Truck Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Powder-Coated Friendly Channel | Seals well even on painted or coated surfaces | Ensures compatibility with modified or custom trucks |
| Flexible Bellows Design | Absorbs vibration and road movement without cracking | Great for off-road and long-haul driving |
| Reusable with Careful Removal | Can be reinstalled without damage if no adhesive used | Ideal for resprays, upgrades, or camper swaps |
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.
$7.95 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
- Will a truck cap boot between cap and truck reduce road noise?
Yes, the air-tight seal created by the truck cap boot between cap and truck helps block wind noise and some road vibrations between the cab and camper.
- Is it suitable for sealing between an airbag mounted truck cab and the body hard mounted to chassis rails on a truck?
As long as there is some sort of flange or wall to install the boot it should work. The thickness of the flange should not exceed 3/16" (4.7625mm) The accordion design allows for independent movement or flex between the cab bodies.
- What do you recommend is the smallest radius cut out in the corners of the opening?
The recommended minimum radius is 1 inch for the boot for corners.
