Semi Truck Window Seal
How to Choose the Right Rubber Boot Seal
You can buy rubber boot material for your special project. This seal is manufactured from long-lasting EPDM synthetic rubber compound and incorporates a flexible spring steel clip for fastening to any flange. This material is available by the foot. To specify how much you need measure the length around your cab opening. You have 3 options of rubber to employ for waterproofing your cabs together.
Quick and Easy Installation
Installing this rubber boot is user-friendly and requires minimal tools. Just attach the seal firmly onto the rim of the window or pass through opening. This creates a tight connection between the two units. Even if you're camping, this seal prevents debris and helps temperature control during your journey.
Universal Fit: Compatible Rubber Seals for Trucks and Rigs
This rubber boot seal is commonly used in truck modifications. It's designed for most full-size trucks. Whether you're installing a camper shell or building a custom rig, this seal offers flexible fitment and dependable performance for your cab connection project.
Semi Truck Window Seal Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| Easy DIY Installation | Simple to install with basic tools | Weekend warrior friendly; ideal for personal projects |
| Supports Walk-Through Conversions | Lets you convert separate spaces into one continuous interior | Used in van builds, campers, and custom sleeper cabs |
| Audio Blow-Through Compatible | Perfect for stereo mods and custom subwoofer enclosures | Used in high-performance truck audio builds |
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
- Can I keep my sliding windows and still use a semi truck window seal?
Unfortunately, no. The slider windows must be removed because the semi truck window seal requires a clean flange or wall to attach. Sliders block access to this area.
- Will a semi truck window seal reduce road noise?
Yes, the air-tight seal created by the semi truck window seal helps block wind noise and some road vibrations between the cab and camper.
- I`m about to put a a fiberglass shell on the back of my truck and I`m taking out the back window. I think the fiberglass shell opening is a bigger than the the back window of the truck. will the Accordion Boot or Compression Boot Gasket Material work?
In order for the accordion boot to work in your application both opening must be the exact size. If the opening in the fiberglass shell is smaller you have the option of resizing the opening to fit your rear window opening. If the opening in the fiberglass shell is bigger than the opening in your truck's window opening you are limited to using the compression boot.