Truck Cap Seal Boot
How to Choose the Right Rubber Boot Seal
You can purchase rubber boot material for your special project. This seal is extruded from tough EPDM synthetic rubber compound and has a pliable spring steel clip for affixing to any flange. This material is available by the foot. To specify how much you require measure the length encircling your cab opening. You get 3 choices of rubber to make use of for sealing your cabs together.
Quick and Easy Installation
Installing this rubber boot is easy and can be done with few tools. Just snap the seal firmly onto the frame of the window or pass through opening. This provides a tight connection between the two units. Even if you're adventuring, this seal prevents dust and ensures cabin integrity during your journey.
Why EPDM Rubber Is the Best Choice for Long-Lasting Seals
The EPDM rubber seal is developed to resist challenging conditions such as sunlight. It's ideal for both commercial fleets. Compared to cheaper seals, this material lasts longer. It's a smart investment for anyone looking to upgrade their truck cab connection with a dependable sealing solution.
Truck Cap Seal Boot Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Weather-Tested Seal | Handles rainstorms without leaks or performance loss | Reliable weather barrier for daily-use trucks or RVs |
| Audio Blow-Through Compatible | Perfect for stereo mods and custom subwoofer enclosures | Used in high-performance truck audio builds |
| EPDM Sponge Rubber Construction | Flexible, resilient seal that withstands weather and aging | Ideal for trucks, RVs, and sleeper cabs exposed to elements |
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 long does it take to receive my truck cap seal boot order?
Delivery typically takes 3 to 10 days depending on your location and order volume.
- Will the accordion boot fit all truck models?
Our boots come in universal sizes that can be trimmed to fit. Always measure your specific opening to ensure a proper fit.
- How do I know if I need a truck cap seal boot or a compression boot?
Use a truck cap seal bootwhen both openings are identical in size and shape. Use a compression boot if there are size differences or no solid flange available.
