Sealing A Truck Cap
How to Choose the Right Rubber Boot Seal
You can buy rubber boot material for your special project. This seal is manufactured from tough EPDM synthetic rubber compound and contains a bendable spring steel clip for affixing to any flange. This material is sold by the foot. To find how much you need measure the distance encircling your cab opening. You have 3 alternatives of rubber to employ for waterproofing your cabs together.
Quick and Easy Installation
Installing this rubber boot is easy and requires minimal tools. Just snap the seal tightly onto the thin wall of the window or pass through opening. This forms a secure connection between the two units. Regardless of whether you're camping, this seal keeps out dust and ensures temperature control during your journey.
Why EPDM Rubber Is the Best Choice for Long-Lasting Seals
The EPDM rubber seal is developed to withstand rugged conditions such as UV exposure. It's suitable for both daily use. Compared to standard seals, this material retains flexibility. It's a reliable option for anyone looking to upgrade their truck cab connection with a dependable sealing solution.
Sealing A Truck Cap Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Made in the USA | High manufacturing standards and local support | Ideal for buyers who value American-made products |
| U-Channel Orientation Consistency | Both U-shaped edges face the same way for easier installation | Helps avoid confusion during install, especially for beginners |
| Compressed and Expanded Flex | Adapts to body movement and misalignments | Maintains seal during travel, loading, or frame shifts |
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
- What if I’m not satisfied with my sealing a truck cap?
We offer a 30-day money-back guarantee. If you're not satisfied, simply contact customer service and return the product.
- How much sealing a truck capdo I need?
This material is sold by the foot. To determine how much sealing a truck cap you need, measure the full distance around your cab or window opening. Most full-size pickups need about 13–14 feet, while mini-trucks average around 10 feet.
- Can I custom trim a sealing a truck cap to fit my setup?
You can trim the length to fit your application, but altering the shape, corners, or embedded clip area is not recommended.