How To Seal The Cab And The Cap
Only Buy What You Need - Rubber Boot Material Sold by the Foot
This material is sold by the foot. Unlike other businesses that compel you to purchase more than you need. You obtain the exact quantity you need. No waste.
Quick and Easy Installation
Installing this rubber boot is user-friendly and requires minimal tools. Just snap the seal tightly onto the lip of the window or pass through opening. This provides a watertight connection between the two units. Regardless of whether you're hauling, this seal blocks dust and ensures temperature control during your journey.
Universal Fit: Compatible Rubber Seals for Trucks and Rigs
This rubber boot seal is frequently used in truck modifications. It's suitable for most standard trucks. Whether you're retrofitting a camper shell or building a custom 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 |
| Fast, Reliable Shipping | Quick turnaround when time-sensitive installs are needed | Helpful for last-minute road trip or show prep |
| Proven on Sleeper Cab Trucks | Successfully used between cab and sleeper on heavy-duty trucks | Ideal for semi trucks |
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
- What tools do I need to install ahow to seal the cab and the cap?
Basic tools like a utility knife, heavy duty siccors, measuring tape, a soft mallet, are usually sufficient for installing a how to seal the cab and the cap.
- Does the how to seal the cab and the cap allow for movement between the truck and camper?
Yes, the accordion-style folds are designed to flex, allowing for some movement and vibration without breaking the seal.
- I have a pickup that I cut out a section between the cab and the bed. Will your product work for the metal below the window, or is that material to thin?
Yes the boot will work for this situation
