Expansion Sealing Gap Between Truck Cap And Truck Cab
How to Choose the Right Rubber Boot Seal
You can buy rubber boot material for your special project. This seal is extruded from robust EPDM synthetic rubber compound and uses a flexible spring steel clip for fastening to any flange. This material is available by the foot. To ascertain how much you require measure the length encircling your cab opening. You have several alternatives of rubber to make use of for waterproofing your cabs together.
Quick and Easy Installation
Installing this rubber boot is user-friendly and can be done with few tools. Just attach the seal firmly onto the flange of the window or pass through opening. This forms a watertight connection between the two units. Whether you're hauling, this seal prevents dust and helps interior comfort during your journey.
Don't Settle for Less: Upgrade to a Seal Built for the Road
Choosing the right seal is essential for your vehicle project. This rubber boot delivers due to its high-quality construction and customer-approved reliability. We take pride on providing products that exceed your demands for long-term value. Don't settle for flimsy seals, upgrade to one that's engineered for adventure.
Expansion Sealing Gap Between Truck Cap And Truck Cab Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Compressed and Expanded Flex | Adapts to body movement and misalignments | Maintains seal during travel, loading, or frame shifts |
| Watertight Design | Keeps moisture and dust out, even in rough outdoor environments | Protects interior from water, wind and dust |
| Multi-Vehicle Fit | Works on trucks, vans, semi cabs, and custom enclosures | Versatile for commercial and recreational conversions |
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 much expansion sealing gap between truck cap and truck cabdo I need?
This material is sold by the foot. To determine how much expansion sealing gap between truck cap and truck cab 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.
- What if I’m not satisfied with my expansion sealing gap between truck cap and truck cab?
We offer a 30-day money-back guarantee. If you're not satisfied, simply contact customer service and return the product.
- Is professional installation recommended for a expansion sealing gap between truck cap and truck cab?
Most DIYers can install it successfully, but if you're unsure or working with custom cuts, a professional installer may help ensure a perfect fit.
