How To Seal The Cab And The Cap
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 substance and uses a pliable spring steel clip for attaching to any rim. This material is sold by the foot. To determine how much you need measure the distance encircling your cab opening. You have three choices of rubber to make use of for waterproofing your cabs together.
Tips for Getting the Right Fit
To find how much you need measure the space around your cab opening. It is important that both openings are precisely the same size. Make sure to measure the opening before ordering. Every installation is unique.
Universal Fit: Compatible Rubber Seals for Trucks and Rigs
This rubber boot seal is commonly used in truck modifications. It's fits most full-size trucks. Whether you're installing a camper shell or building a personalized rig, this seal offers universal fitment and dependable performance for your cab connection project.
How To Seal The Cab And The Cap Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Trusted by Pros and DIYers | Field-tested by thousands in real-world applications | Confidence in product from verified reviews and installs |
| Powder-Coated Friendly Channel | Seals well even on painted or coated surfaces | Ensures compatibility with modified or custom trucks |
| Prevents Heat and Sound Transfer | Improves cab comfort by blocking wind and road noise | Useful for sleepers and 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
- Can the how to seal the cab and the cap be painted?
We only sell black boots, but EPDM rubber can be painted using an acrylic roof coating rated for EPDM. Avoid latex and petroleum-based paints.
- What is an accordion boot?
An accordion boot is a flexible rubber connector that creates a weatherproof seal between two compartments, such as a truck cab and camper shell.
- Can I keep my sliding windows and still use a ?
Unfortunately, no. The slider windows must be removed because the how to seal the cab and the cap equires a clean flange or wall to attach. Sliders block access to this area.