Truck Cap Window Slider Trim
How to Choose the Right Rubber Boot Seal
You can purchase rubber boot material for your special project. This seal is manufactured from heavy-duty EPDM synthetic rubber compound and integrates a bendable spring steel clip for fastening to any flange. This material is available by the foot. To find how much you require measure the length encircling your cab opening. You have three alternatives of rubber to employ for waterproofing your cabs together.
Tips for Getting the Right Fit
To specify how much you require measure the distance around your cab opening. It is essential that both openings are perfectly the equal 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 crafted to endure harsh conditions such as sunlight. It's tailored for both off-grid builds. Compared to cheaper seals, this material retains flexibility. It's a smart investment for anyone looking to protect their truck cab connection with a dependable sealing solution.
Truck Cap Window Slider Trim Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| No Sealant Required | Cleaner installation with easy removal if needed | Perfect for quick and easy installs |
| Cleanable Surface | Easy to wipe down or blow clean for reinstallation | Using mild soap and water for cleaning maintenance |
| U-Channel Orientation Consistency | Both U-shaped edges face the same way for easier installation | Helps avoid confusion during install, especially for beginners |
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 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.
- How do I know if I need a truck cap window slider trim or a compression boot?
Use a truck cap window slider trimwhen 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 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
