Best Truck Cap Seal in 2023 (Top 10 & Buying Guide)

Sometimes it might be quite difficult to find the best truck cap seal. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this truck cap seal buying guide.

Our Top 10 Recommendations:

#	Preview	Product
1		ESI Premium Cap Seal XL 23 FT (2" Width x .200" Height x 23' Length) EPDM Rubber for Caps 200 lbs or...	Check Price
2		MYFAMIREA 24.5Ft Adhesive Tailgate Seal fits Pickups, Truck, Auto Car, Keep Kit Dust, Dirt and...	Check Price
3		ESI Super Cap Seal XL 20 FT (2 1/8" Width x 1/2" Height x 20' Length) EPDM Rubber for Caps Over 200...	Check Price
4		ESI Front Rail Seal XL 5 1/2' EPDM Rubber for Truck Caps—Fills a height gap of .488" to 1"	Check Price
5		24.6Ft Rubber Weather Seal for Pickups Cap, Car Weather Stripping Double-Bulb Tailgate Seal for...	Check Price
6		ESI Super Cap Seal XL 23 FT (2 1/8" Width x 1/2" Height x 23' Length) EPDM Rubber for Caps Over 200...	Check Price
7		ESI Ultra Cap Seal 1 1/2" Width x 5/8" Height 20' Length, EPDM Rubber for Caps over 200 lbs	Check Price
8		ESI Super Cap Seal 20 FT (1 1/2" Width x 1/2" Height x 20' Length) EPDM Rubber for Caps 200 lbs or...	Check Price
9		DEF Super Cap Seal for Truck Caps and Camper Shells 200 lbs or Less, EPDM Rubber, 20 FT, 1 1/2"...	Check Price
10		AP Products 018-141125 Cap Tape, 1/4" x 1-1/2" x 30', Grey	Check Price

The 10 Top Truck Cap Seal Reviews:

Bestseller No. 1

ESI Premium Cap Seal XL 23 FT (2" Width x .200" Height x 23' Length) EPDM Rubber for Caps 200 lbs or Less

• 23ft for mounting truck caps or camper shells that weigh 200 lbs or less. Fills small to medium bed rail gaps. Fits all bed lengths.
• High quality, long-lasting automotive grade, 18 PCF density EPDM rubber. Preferred by professional installers over PVC/foam seals.
• Excellent compression set resistance for maximum service life and vibration absorption
• Complete kit includes seal, butyl tape, alcohol pads and detailed instructions
• No need to replace this seal every time your cap is removed.

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SaleBestseller No. 2

MYFAMIREA 24.5Ft Adhesive Tailgate Seal fits Pickups, Truck, Auto Car, Keep Kit Dust, Dirt and Moisture Out of Covered Truck Bed

• ★★One roll specification: The rubber trim seal is made of premium tape(24.5FT). Truck bed seal, more durable and flexible. Noise Reduction, Waterproof, Dustproof & Soundproof & Windproof. High temperature resistance & cold resistance.
• ★★ An upgraded universal tundra tailgate seal weather striping used to replace other Type D, P, Z and O stripe. Easy to install and high strength adhesive weatherseal.
• ★★ This Tailgate seal enhances the leakproofness of your car, which make door close more tightly .Reduce the noise of wind when you drive your car at high speed. Have a nice trip with your family.Make your car more sealed so that you could keep your car away from dust, raindrop and Fog. Soundproofing insulation best waterproof dealer.
• ★★ Widely Application. This rubber trim seal suitable for most kinds of pickups, trucks, auto car etc. Including automotive door seals, RV compartment seals, door seals, storage container seals, tool box seals and decorative trim seals.
• ★★ Easy-installed tool.Direct replacement tape, you just need to push the stripping foam on the rubber sealant above the installed place.

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Bestseller No. 3

ESI Super Cap Seal XL 20 FT (2 1/8" Width x 1/2" Height x 20' Length) EPDM Rubber for Caps Over 200 lbs

• 20ft for mounting a truck cap or camper shell on a truck with extra wide bed rails and that weighs over 200 lbs. For 8 ft beds purchase ASIN: B00BNGBXOC
• Fills all bed rail gaps. Complete kit includes seal, butyl tape, alcohol pads and detailed instructions.
• High quality, long-lasting automotive grade EPDM rubber. Preferred by professional installers over PVC/foam seals.
• Excellent compression set resistance for maximum service life and vibration absorption
• No need to replace this seal every time your cap is removed.

Check Price

Bestseller No. 4

ESI Front Rail Seal XL 5 1/2' EPDM Rubber for Truck Caps—Fills a height gap of .488" to 1"

• Measures 1" width x 1.125" height and fills a height gap of .488" to 1" from the sidewalls to the front rail, when mounting a truck cap or camper shell.
• If the height of the gap is .251" to .487" install Front Rail Seal (ASIN: B00C0WVV72)
• If the height of the gap is .250" or less, just install one Extruded Solutions (ESI) high quality EPDM rubber truck cap seal on all 3 rails (see product description for choices)
• Adheres with 3M 4011 acrylic foam tape
• No need to replace this seal every time your cap is removed.

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Bestseller No. 5

24.6Ft Rubber Weather Seal for Pickups Cap, Car Weather Stripping Double-Bulb Tailgate Seal for Truck Cap and Tonneau Cover

• 🚗【High Quality】The pickup door sealing strip is made of EPDM rubber, thick and flexible rubber with good resistance to heat and cold. Protects your vehicle or boat from humidity, water, and other outdoor elements.
• 👍【Air Tightness】This tailgate seal enhances the car's seal and allows the doors to close more tightly. Reduces wind noise at high speeds and makes your car more airtight from dust, raindrops and fog. Make your journey more enjoyable.
• 🚗【Design】The double hole design reduces sound transmission on both sides of the door, they absorb part of the sound waves to reduce noise. Moreover, these holes can effectively reduce the pressure between the door and the door frame when the door is closed.
• 🚗【Wide Application】This rubber trim seal suitable for most kinds of pickups, trucks, RV etc. Including automotive door seal, RV compartment seal, boat hatch seal, tailgate seal, camper shell seal, truck topper seal, storage container seal, tool box seal, etc.
• 🚗【Easy Installation】1. Use cloth to clean the place, make sure the surface is clean and level, if the surface is not smooth enough, the tackifier is required to increase the viscosity. 2. remove the red adhesive film, press it onto the car door edge, then cut the strip. 3. Don't let it get water in 3 days. In winter, the temperature drops below 50 degrees Fahrenheit , you can use a hair dryer and add some glue to adhere more firmly.

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Bestseller No. 6

ESI Super Cap Seal XL 23 FT (2 1/8" Width x 1/2" Height x 23' Length) EPDM Rubber for Caps Over 200 lbs

• Super Cap Seal XL dimensions are 2 1/8" Width x 1/2" Height x 23' Length. For beds less than 8ft use Super Cap Seal XL 20ft (ASIN: B00NCCNUJQ).
• 2 1/8" wide triple bulb seal gives you greater coverage area for filling all bed rail gaps. Use on caps that weigh more than 200 lbs. Easily trims to size to fit smaller width front bed rails. Complete kit includes seal, butyl tape, alcohol pads and detailed instructions for a professional installation.
• Excellent compression set resistance for maximum service life and vibration absorption. Long-lasting EPDM rubber is preferred by professional installers over PVC/foam seals.
• No need to replace this seal every time your cap is removed. MADE IN U.S.A.
• Professional Installer Review: "We don't use the Super Cap Seal XL very often, but when we do it works great." Eric (General Manager, A & A Topper Sales & Service Center) Lakewood, CO

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Bestseller No. 7

ESI Ultra Cap Seal 1 1/2" Width x 5/8" Height 20' Length, EPDM Rubber for Caps over 200 lbs

• 20ft seal for mounting truck caps and camper shells that weigh over 200 lbs and heavier weighted caps. Fills all bed rail gaps. For 8ft beds purchase ASIN: B00MPMBIZW
• Complete kit includes seal, butyl tape, alcohol pads and detailed instructions
• Excellent compression set resistance for maximum service life and vibration absorption
• High quality, long-lasting automotive grade EPDM rubber. Preferred by professional installers over PVC/foam seals.
• No need to replace this seal every time your cap is removed.

Check Price

Bestseller No. 8

ESI Super Cap Seal 20 FT (1 1/2" Width x 1/2" Height x 20' Length) EPDM Rubber for Caps 200 lbs or less

• 20ft seal for mounting a truck cap or camper shell that weighs 200 lbs or less. Fills all bed rail gaps. For 8 ft beds purchase ASIN: B00C7VU9BA
• Complete kit includes seal, butyl tape, alcohol pads and detailed instructions
• High quality, long-lasting automotive grade EPDM rubber. Preferred by professional installers over PVC/foam seals.
• Excellent compression set resistance for maximum service life and vibration absorption
• No need to replace this seal every time your cap is removed.

Check Price

Bestseller No. 9

DEF Super Cap Seal for Truck Caps and Camper Shells 200 lbs or Less, EPDM Rubber, 20 FT, 1 1/2" Width x 1/2" Height x 20" Length

• Fills all bed rail gaps, easily trims to size and Prevent dust and water
• For mounting a truck cap or camper shell that weighs 200 lbs or less
• High-quality, long-lasting automotive-grade EPDM rubber, excellent compression set resistance, Its durability is guaranteed
• Include: seal, putty tape and alcohol pads
• No need to replace this seal every time your cap is removed

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Bestseller No. 10

AP Products 018-141125 Cap Tape, 1/4" x 1-1/2" x 30', Grey

• Product type :AUTO ACCESSORY
• Package dimensions :6.604 cm L x30.48 cm W x31.75 cm H
• country of origin :United States
• package weight :3.0lbs

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Last update on 2023-03-21 / Affiliate links / Images from Amazon Product Advertising API

How to find the best truck cap seal?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best truck cap seal for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good truck cap seal recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

• What features does the truck cap seal need to have to be perfect for my needs?
• What is my budget?
• Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for truck cap seal to find what you’re looking for:

Brand

In some cases, the brand of truck cap seal is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given truck cap seal are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about truck cap seal are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare truck cap seal quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best truck cap seal can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.