Truck Canopy Shell Donut
How to Choose the Right Rubber Boot Seal
You can get rubber boot material for your special project. This seal is manufactured from long-lasting EPDM synthetic rubber substance and integrates a bendable spring steel clip for attaching to any rim. This material is sold by the foot. To decide how much you need measure the length encircling your cab opening. You get 3 alternatives of rubber to apply for waterproofing your cabs together.
Tips for Getting the Right Fit
To determine how much you need measure the length around your cab opening. It is important that both openings are perfectly the equal size. Make sure to measure the opening before ordering. Every installation is different.
Universal Fit: Compatible Rubber Seals for Trucks and Rigs
This rubber boot seal is typically used in truck modifications. It's fits most light-duty trucks. Whether you're repairing a camper shell or building a bespoke rig, this seal offers versatile fitment and dependable performance for your cab connection project.
Truck Canopy Shell Donut Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Supports Walk-Through Conversions | Lets you convert separate spaces into one continuous interior | Used in van builds, campers, and custom sleeper cabs |
| Easy DIY Installation | Simple to install with basic tools | Weekend warrior friendly; ideal for personal projects |
| Weather-Tested Seal | Handles rainstorms without leaks or performance loss | Reliable weather barrier for daily-use trucks or RVs |
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.
$7.95 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 do I know if I need a truck canopy shell donut or a compression boot?
Use a truck canopy shell donutwhen both openings are identical in size and shape. Use a compression boot if there are size differences or no solid flange available.
- I have a fiber glass camper shell. I want access to my camper shell from inside my cab but I don't want to lose heat and have a weatherproof seal. Will this product provide the right solution?
The accordion boot creates an air-tight and weather tight seal between the cabs. It does not provide any insulation. However, heat loss in minimize by the air-tight seal.
- 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
