Truck Cap Door Seal
How to Choose the Right Rubber Boot Seal
You can obtain rubber boot material for your special project. This seal is extruded from tough EPDM synthetic rubber substance and integrates a flexible spring steel clip for attaching to any flange. This material is available by the foot. To find how much you require measure the distance around your cab opening. You have three choices of rubber to make use of for sealing your cabs together.
Tips for Getting the Right Fit
To ascertain how much you need measure the length around your cab opening. It is vital that both openings are exactly the matching size. Make sure to measure the opening before ordering. Every installation is different.
Why EPDM Rubber Is the Best Choice for Long-Lasting Seals
The EPDM rubber seal is engineered to withstand challenging conditions such as cold. It's suitable for both weekend getaways. Compared to cheaper seals, this material retains flexibility. It's a smart investment for anyone looking to preserve their truck cab connection with a dependable sealing solution.
Truck Cap Door Seal Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| UV & Weather Resistant | Withstands sun, rain, and temperature changes without cracking | Long-term durability for vehicles stored outdoors |
| Trusted by Pros and DIYers | Field-tested by thousands in real-world applications | Confidence in product from verified reviews and installs |
| Audio Blow-Through Compatible | Perfect for stereo mods and custom subwoofer enclosures | Used in high-performance truck 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
- Does the truck cap door sealrequire glue to install?
No glue is required. The truck cap door seal has a spring clip embedded in the EPDM rubber that clamps onto a thin flange. You can optionally glue the seam using cyanoacrylate (SuperGlue), but avoid petroleum-based adhesives.
- Does the boot stretch or compress?
Yes, the accordion-style folds allow for both stretching and compression, ideal for movement and flex between vehicle sections.
- What if I’m not satisfied with my truck cap door seal?
We offer a 30-day money-back guarantee. If you're not satisfied, simply contact customer service and return the product.