Smi Troucks 4 Seal
Only Buy What You Need - Rubber Boot Material Sold by the Foot
This product is purchased by the foot. Unlike other companies that force you to buy more than you require. You purchase the proper quantity you require. No waste.
Tips for Getting the Right Fit
To specify how much you need measure the length around your cab opening. It is vital that both openings are exactly the matching size. Make sure to measure the opening before ordering. Every installation is different.
Why EPDM Rubber Is the Best Choice for Long-Lasting Seals
The EPDM rubber seal is engineered to handle severe conditions such as heat. It's perfect for both off-grid builds. Compared to cheaper seals, this material offers more protection. It's a reliable option for anyone looking to upgrade their truck cab connection with a dependable sealing solution.
Smi Troucks 4 Seal Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Forgiving Fit | Can accommodate minor mismatches in height and width | Useful for older vehicles or hand-cut openings |
| UV & Weather Resistant | Withstands sun, rain, and temperature changes without cracking | Long-term durability for vehicles stored outdoors |
| 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 |
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 smi troucks 4 seal work on a walk-through truck conversion?
Yes! This is a perfect use case. The smi troucks 4 seal allows you to join the truck cab and camper shell or utility box with a weather-sealed, flexible connection.
- Can I order a custom lengths?
Yes, because we sell the material by the foot we can provide the exact lenght you need for your project. You can also contact us if you need help finding the right length.
- How long will my smi troucks 4 seal last?
EPDM rubber is extremely durable, UV-resistant, and built to last for years. Proper installation can extend its lifespan significantly.
