Sliding Truck Cap Window Seal

Only Buy What You Need - Rubber Boot Material Sold by the Foot
This material is purchased by the foot. Unlike other companies that force you to purchase more than you need. You get the proper amount you require. No overage.
Quick and Easy Installation
Installing this rubber boot is easy and requires minimal tools. Just fit the seal tightly onto the rim of the window or pass through opening. This ensures a weatherproof connection between the two units. Whether you're camping, this seal prevents dust and ensures interior comfort during your journey.
Universal Fit: Compatible Rubber Seals for Trucks and Rigs
This rubber boot seal is frequently used in vehicle sealing applications. It's works with most mini trucks. Whether you're retrofitting a camper shell or building a custom rig, this seal offers versatile fitment and dependable performance for your cab connection project.
Sliding Truck Cap Window Seal Features and Benefits
Feature | Benefit | Use Case |
---|---|---|
Made in the USA | High manufacturing standards and local support | Ideal for buyers who value American-made products |
Fast, Reliable Shipping | Quick turnaround when time-sensitive installs are needed | Helpful for last-minute road trip or show prep |
EPDM Sponge Rubber Construction | Flexible, resilient seal that withstands weather and aging | Ideal for trucks, RVs, and sleeper cabs exposed to elements |
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 sliding truck cap window sealdo I need?
This material is sold by the foot. To determine how much sliding truck cap window seal 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.
- Will the sliding truck cap window seal work with thin metal or wood frames?
Yes, but there must be a flange no thicker than 3/16". For wood or thick materials, add a metal strip (like aluminum flat bar) around the opening for the sliding truck cap window sealto grip.
- Will the Accordion Boot or Compression Boot Gasket Material work if my fiberglass shell opening is bigger than my truck window?
In order for the accordion boot to work, both openings must be the exact size. If the fiberglass shell opening is larger, use the compression boot instead.