Northstar Foam Boot
Only Buy What You Need - Rubber Boot Material Sold by the Foot
This product is purchased by the foot. Unlike other organizations that force you to buy more than you require. You acquire the precise amount you need. No overage.
Tips for Getting the Right Fit
To specify how much you require measure the length around your cab opening. It is imperative that both openings are exactly the matching size. Make sure to measure the opening before ordering. Every installation is unique.
Why EPDM Rubber Is the Best Choice for Long-Lasting Seals
The EPDM rubber seal is crafted to survive rugged conditions such as sunlight. It's suitable for both off-grid builds. Compared to cheaper seals, this material lasts longer. It's a reliable option for anyone looking to upgrade their truck cab connection with a dependable sealing solution.
Northstar Foam Boot Features and Benefits
| Feature | Benefit | Use Case |
|---|---|---|
| EPDM Sponge Rubber Construction | Flexible, resilient seal that withstands weather and aging | Ideal for trucks, RVs, and sleeper cabs exposed to elements |
| Weather-Tested Seal | Handles rainstorms without leaks or performance loss | Reliable weather barrier for daily-use trucks or RVs |
| Custom Length | Get the exact amount you need with no waste or shortages | Great for DIY box truck or custom overland 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
- How weatherproof is the northstar foam boot?
The EPDM accordion boot creates an airtight, watertight seal when installed correctly. It's designed to keep rain, dust, and wind out — ideal for camper conversions and pass-throughs.
- Is the northstar foam boot 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.
- Do you carry the product in stock?
Yes, we try to keep inventory available so we can send your order a quickly as possible. However there are times, due to high order volume, stock can be depleted. If this is the case your items will be backorder and sent as soon as new inventory arrives.