How To Seal A Sliding Window
Only Buy What You Need - Rubber Boot Material Sold by the Foot
This product is bought by the foot. Unlike other businesses that compel you to buy more than you need. You purchase the proper quantity you need. No overage.
Tips for Getting the Right Fit
To specify how much you need measure the length around your cab opening. It is important that both openings are perfectly 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 built to handle challenging conditions such as cold. It's suitable for both commercial fleets. Compared to standard seals, this material retains flexibility. It's a solid choice for anyone looking to upgrade their truck cab connection with a dependable sealing solution.
How To Seal A Sliding Window Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Weather-Tested Seal | Handles rainstorms without leaks or performance loss | Reliable weather barrier for daily-use trucks or RVs |
| UV & Weather Resistant | Withstands sun, rain, and temperature changes without cracking | Long-term durability for vehicles stored outdoors |
| 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.
$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 much how to seal a sliding windowdo I need?
This material is sold by the foot. To determine how much how to seal a sliding window you need, measure the full distance around your cab or window opening. Most full-size pickups need about 13–14 feet, while mini-trucks average around 10 feet.
- Is professional installation recommended for a how to seal a sliding window?
Most DIYers can install it successfully, but if you're unsure or working with custom cuts, a professional installer may help ensure a perfect fit.
- 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
