Accordion Seal For Truck Cap
How to Choose the Right Rubber Boot Seal
You can acquire rubber boot material for your special project. This seal is manufactured from hard-wearing EPDM synthetic rubber substance and incorporates a bendable spring steel clip for fastening to any flange. This material is available by the foot. To determine how much you require measure the distance around your cab opening. You get 3 options of rubber to use for waterproofing your cabs together.
Quick and Easy Installation
Installing this rubber boot is user-friendly and can be done with few tools. Just press the seal firmly onto the edge of the window or pass through opening. This creates a weatherproof connection between the two units. Regardless of whether you're off-roading, this seal keeps out moisture and maintains temperature control during your journey.
Universal Fit: Compatible Rubber Seals for Trucks and Rigs
This rubber boot seal is widely used in truck modifications. It's compatible with most light-duty trucks. Whether you're retrofitting a camper shell or building a bespoke rig, this seal offers versatile fitment and dependable performance for your cab connection project.
Accordion Seal For Truck Cap Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| EPDM Sponge Rubber Construction | Flexible, resilient seal that withstands weather and aging | Ideal for trucks, RVs, and sleeper cabs exposed to elements |
| UV & Weather Resistant | Withstands sun, rain, and temperature changes without cracking | Long-term durability for vehicles stored outdoors |
| Watertight Design | Keeps moisture and dust out, even in rough outdoor environments | Protects interior from water, wind and dust |
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 accordion seal for truck cap work on a walk-through truck conversion?
Yes! This is a perfect use case. The accordion seal for truck cap allows you to join the truck cab and camper shell or utility box with a weather-sealed, flexible connection.
- 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.
- I am making a walk through conversion on my pickup truck to allow access in the bed. I want to to cut the wall between the cab and bed to make one continuous passenger cabin to the camper shell. I also want something that looks decent, and will last. Will the accordion boot work in this situation?
Yes, the accordion boot will work for you in this type of installation. For more details on how to create and seal a cut through go to the Cut Through FAQ page for more details
