Truck Cap Window Boots

Truck Cap Window Boots

Only Buy What You Need - Rubber Boot Material Sold by the Foot

This material is bought by the foot. Unlike other businesses that force you to buy more than you require. You receive the proper quantity you require. No waste.

Tips for Getting the Right Fit

To determine how much you require measure the length 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 unique.

Universal Fit: Compatible Rubber Seals for Trucks and Rigs

This rubber boot seal is typically used in truck modifications. It's works with most compact trucks. Whether you're upgrading a camper shell or building a bespoke rig, this seal offers flexible fitment and dependable performance for your cab connection project.

Truck Cap Window Boots Features and Benefits

Feature Benefit Use Case
U-Channel Orientation Consistency Both U-shaped edges face the same way for easier installation Helps avoid confusion during install, especially for beginners
Silicone-Friendly Seam Sealing Easy to seal end joints with a small bead of silicone Ensures total waterproofing where ends come together
Forgiving Fit Can accommodate minor mismatches in height and width Useful for older vehicles or hand-cut openings

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

Accordion Boot

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.

How Accordion Boot Works Animation

$8.95 per foot

In Stock

Order 541

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Compression Boot - Part Number 540

Compression Boot

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.

How Compression Boot Works Animation

$7.95 per foot

In Stock

Order 540

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Extra Wide Accordion Boot - Part Number 543

Extra Wide Accordion Boot

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Accordion Boot - Ultra Wide 10" Part Number 544

Accordion Boot 10 inch wide

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Accordion Boot 15 - Part Number 546

Extra Wide Accordion Boot

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Compression Bulb Seal - Part Number 545

Compression Bulb Seal

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

  1. Enter the total amount of feet of boot material you need in the text box
  2. Check your entries, then click on the "Order Now" button.

Frequently Asked Questions

  • Is the truck cap window boots reusable if I remove it?

    While technically reusable, removal often deforms the material or compromises the embedded clip, so we recommend replacing it if removed.

  • Is professional installation recommended for a truck cap window boots?

    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.

  • 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.