Fill Gap Between Cab And Cap Truck Boot
How to Choose the Right Rubber Boot Seal
You can purchase rubber boot material for your special project. This seal is manufactured from robust EPDM synthetic rubber substance and has a flexible spring steel clip for affixing to any rim. This material is available by the foot. To decide how much you require measure the distance around your cab opening. You get 3 alternatives of rubber to use for sealing your cabs together.
Quick and Easy Installation
Installing this rubber boot is straightforward and requires minimal tools. Just attach the seal firmly onto the frame of the window or pass through opening. This ensures a tight connection between the two units. Whether you're off-roading, this seal blocks moisture and maintains interior comfort during your journey.
Universal Fit: Compatible Rubber Seals for Trucks and Rigs
This rubber boot seal is widely used in truck modifications. It's designed for most light-duty trucks. Whether you're installing a camper shell or building a DIY rig, this seal offers universal fitment and dependable performance for your cab connection project.
Fill Gap Between Cab And Cap Truck Boot Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Adapts to Slightly Uneven Openings | Flexible enough to seal even when openings aren’t perfectly aligned | Even though it is best that the opening match exactly there is some wiggle room to make minor adjustments for custom truck and canopy installations |
| EPDM Sponge Rubber Construction | Flexible, resilient seal that withstands weather and aging | Ideal for trucks, RVs, and sleeper cabs exposed to elements |
| Made in the USA | High manufacturing standards and local support | Ideal for buyers who value American-made products |
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
- Will the fill gap between cab and cap truck boot?srsltid=afmbooouddq9ijotjagoab81ywehwyowqnphsvdbmar72zwq2mkgdpox work on a walk-through truck conversion?
Yes! This is a perfect use case. The fill gap between cab and cap truck boot?srsltid=afmbooouddq9ijotjagoab81ywehwyowqnphsvdbmar72zwq2mkgdpox allows you to join the truck cab and camper shell or utility box with a weather-sealed, flexible connection.
- Will the fill gap between cab and cap truck boot?srsltid=afmbooouddq9ijotjagoab81ywehwyowqnphsvdbmar72zwq2mkgdpox work with thin metal or wood frames?
Yes, but there must be a flange no thicker than 3/16". For wood or thick materials, add a metal strip (like aluminum flat bar) around the opening for the fill gap between cab and cap truck boot?srsltid=afmbooouddq9ijotjagoab81ywehwyowqnphsvdbmar72zwq2mkgdpoxto grip.
- What’s the difference between the flap and bulb compression boot?
The flap version has a straight edge, while the bulb version includes a rounded, softer cushion for enhanced sealing and flexibility.
