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Do you want the best undercover hard folding tonneau cover? Well, the brand UnderCover provides some top-rated undercover hard folding tonneau covers including Armor Flex, Ultra Flex & Flex Tonneau Cover. They offer you the best security of your truck bed contents while veiling the truck more efficiently.
In this article, we will provide you the Undercover Armor Flex, Ultra Flex & Flex Tonneau Cover reviews. Our Tonneau cover review is based on an in-depth analysis of each product. So, hopefully, by the end of this article, you can decide which one is the best fit for your truck bed.
Top 3 Best Undercover Tonneau Covers
Want to have a quick view of the best undercover hard folding tonneau cover? Well, we have chosen the following undercover tonneau truck bed cover for your truck’s bed. These covers are the top-rated tonneau truck bed cover in America.
Undercover ArmorFlex Hard Folding Truck Bed Tonneau Cover
● Comes with heavy-duty aluminum panels.
● Resistant to dent and scratches.
● Hassle-free 5-year limited guarantee.
● Provides 100% bed access.
2. Undercover Ultra Flex Hard Folding Truck Bed Tonneau Cover
● Features an ultra low-profile design.
● Integrated LED rail lighting system.
● All-purpose truck bed cover.
● Resistant to fade and rust.
3. Undercover Flex Hard Folding Truck Bed Tonneau Cover
● Comes with a low-profile design.
● Features a UV protective black coating finish.
● Provides limited 3-year warranty.
Undercover Armor Flex, Ultra Flex & Flex Tonneau Cover Reviews
These Tonneau Covers are lightweight, so they can be lifted easily. Besides, they come with a unique folding design and smooth style.  These covers offer a super durability level. Furthermore, they are made with a weather-tight construction. So, the undercover tonneau covers provide the truck bed with ultimate protection. All in all, they increase the overall performance of the truck.
1. Undercover Armor Flex Review
If you want to protect your truck’s gear as well as the truck bed’s content, you should use Undercover Armor Flex Hard Folding Tonneau Cover for your truck bed. This Armor flex cover is made in a way that easily fits on the 2015 – 2020 Ford truck model F-150 6’5″ Bed (78.9″).
Read More: Truxedo Sentry CT Reviews
This Undercover Armor Flex comes with a tri-fold design. Not only that but also it features heavy-duty aluminum panels. The most striking feature of this bed cover is its matte-black patented LINE-X coating. This feature makes it different from other hard folding truck bed tonneau covers.
Besides, the matte-black finished coating provides ultimate durability to your truck bed. It also protects the aluminum panels from various issues including dents, scratches, harsh weather, etc.
Read More: Leer HF650m Reviews
Furthermore, this truck bed cover features automatic latching system locks. It is placed in each panel and you can release it on either side of the truck bed. Therefore, this hard folding cover is very easy to operate.
Surprisingly, it has a dual-action tailgate seal. So, you don’t have to lift the cover first for shutting the tailgate. Thus, the Undercover Armor Flex helps you to enhance your truck bed security.
The Armor Flex bed cover is furnished with EPDM rubber seals as well as hinges. Thus, it can protect the truck gear from rainwater, snow, and also from different elements. It is made from weather-resistant materials.
So, this truck bed cover can easily repulse water to keep the cargo dry. It also features a drain tube to channel water. Thus, the tonneau cover provides water protection.
One thing you will love about this Armor flex is that it delivers you 100% bed access. So, you can easily drive the truck with the bed cover in 3 different secure positions. These positions include closed, partially closed, and fully open.
Besides, there are dual prop rods in it to fold the cover into an upright position. Therefore, you can transport heavy loads of equipment in your truck bed more conveniently. The Armor flex is also a lightweight Tonneau bed cover.
So, it comes with an easy installation process. You don’t require any special tools to install it. Besides, you can easily remove this bed cover with its aptly designed L-Rails. This USA made Hard folding bed cover provides you a hassle-free 5-year limited guarantee.
It also offers a US-based customer support team. So, you can purchase this truck bed cover without any hesitation. The Undercover Armor Flex is one of the most demanded bed covers available on the market.
Provides matte-black patented LINE-X coating finish.
Has dual-action tailgate seals.
Lightweight truck bed cover.
Easy to install and remove.
What We Didn’t Like
The clamps come in a bad shape that blocks the bed light.
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How to Install UnderCover Armor Flex Tonneau Cover?
2. Undercover Ultra Flex Review
If you are looking for a tonneau cover with an ultra-low-profile design, the Undercover Ultra Flex Hard Folding Truck Bed Tonneau Cover is the perfect match for you. This Truck Bed Cover is a great item that changes the look of your truck. The Ultra Flex Hard Folding Tonneau Cover fits on model 2009-20 Dodge Ram 1500 5’7″ Bed.
This bed cover comes with an ultra low-profile design. It also features Aircraft-grade aluminum panels with a stylish matte-black paint finish. This matte-black finish enhances the appearance of your truck and makes it classier.
The non-ferrous Aluminum panels of this Ultra flex are rust and fade resistant. Therefore, this truck bed cover is super durable and the matte-black coating lasts for a long time. It doesn’t matter whether it is hot or humid weather, this matte-finish doesn’t fade or rust.
Therefore, this truck bed cover protects from distortion, if you use it year after year not in a good climatic condition. One of the most amazing features of this bed cover is the integrated LED rail lighting system. This Luminous bed rail light provides access for cargo in the dark.
Besides, it comes with carpeted under panels that provide cargo protection. These panels also offer a finished OEM look to your truck. All these premium features make it an ultimate all-purpose truck bed cover.
It also provides you 100% bed access. So, while driving you have access to place the cover in 3 secure positions like closed, partially closed or fully opened. Therefore, you can transport large items in your truck bed without facing any problems.
This Tonneau cover has an automatic latching system. This latching system gives extra security by locking the bed cover into the bed’s side rails. It also has dual prop rods that are used to lock the cover. So, you can easily store it away if it’s not in use.
Furthermore, it has a dual-action tailgate seal. This seal is used to close the tailgate while the cover is remaining in open or closed condition. It comes with an easy installation and removing process.
There is no need to use any special tools to install it. Besides, the aptly designed L-Rails can easily remove the cover. This Ultra flex provides a limited 5-year warranty with a US-based customer support team.
Comes with aircraft-grade aluminum panels.
Stylish matte-black coating paint finish.
Enhances the appearance and security of the truck.
Gives 100% bed access.
What We Didn’t Like
Once installed, it can’t be removed easily without the help of others.
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How To Install UnderCover Ultra Flex Tonneau Cover?
3. Undercover Flex Tonneau Cover Reviews
Do you need the ultimate control of your truck bed? Well, if so, you are highly recommended to go for the Undercover Flex Hard Folding Truck Bed Tonneau Cover.
This tonneau cover also comes with a low-profile design. It has a UV protective black coating finish.  Besides, this cover flushes with bed rails while not affecting gas mileage due to having this low-profile design.
Therefore, you don’t have to worry about your truck’s gas mileage. You can easily fit this tonneau cover on a 2019-20 Ram 1500 5’7″ Bed. The Undercover Flex tonneau cover comes with a heavy-duty aluminum panel construction.
So, it provides excellent strength and super durability.  The aluminum top skin panel is rust as well as fade resistant. This cover is UV resistant so it doesn’t fade easily. Furthermore, this is one of the most watertight truck bed covers available in the market.
So, it is more likely water-resistant. This cover also comes with a bed rail mounting system. The rubber seals and drain tubes are attached to this system. The drain tubes assist to carry water away from the truck bed.
Thus, this tonneau cover helps you to prevent water from entering your truck bed and keeps the cargo dry.
This Undercover flex features 3 secure driving positions. Thus, it provides 100% bed access. So, you can control the truck bed while driving by keeping the tonneau cover closed, partially closed, or fully opened.
This cover also comes with a dual-action tailgate seal. You won’t face any problem while closing the tailgate even though the cover is in open or closed condition. So, you can easily operate the cover in your truck.
It can hold up to 300 pounds evenly distributed weight. So, if you want to transport heavy-load equipment, this tonneau cover assists you to transport. This cover has a lockable tailgate that adds extra security to your truck bed.
Though it doesn’t keep your truck safe from the thief, it will veil your truck perfectly. You can easily store necessary equipment, fishing gear, etc in it without any hesitations.
The installation of this bed cover is so easy. It comes with no-drill installation. Therefore, this truck bed cover doesn’t require any specialized tools to install. The removal of this cover is also easy. You just need to loosen the two oversized knobs to remove the cover from your truck.
You will love the fact that this Undercover Flex offers a limited 3-year warranty. This is one of the reasons that make it the most favorite hard folding truck bed cover in America.
Delivers ultimate control of the truck.
Doesn’t affect gas mileage.
Provides 100% bed access with 3 driving secure positions.
What We Didn’t Like
Customers complain that it doesn’t come with all the necessary hardware for installation.
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How To Install UnderCover Flex Tonneau Cover?
How To Choose The Undercover Tonneau Truck Bed Cover
When you are going to buy the best hard folding tonneau cover for your truck bed, you should think about some important things. So, while purchasing you won’t face any issues and you can buy the right one that fits your truck bed.
The measurement of your truck bed length is the first thing you need to think about while buying the cover. Before buying, you have to ensure whether the cover fits your truck bed.
Yet, you don’t have to match the exact measurement. As most trucks offer different bed lengths, so you won’t find the exact measurements. Hence, you will find a couple of length options. Therefore, you will have to buy the right one that closely matches the measurement of your truck bed.
Once the cover matches the right measurement, you have to look for the other important features of the cover based on your truck’s requirements. These features include the cover panel’s construction, the bed rail mounting system, dual-action tailgate seal, bed access, etc. These features make the cover more durable and easy to operate.
Most undercover hard folding tonneau cover comes with easy installation. However, you need to ensure that the cover has an easy installation as well as a removal process. Most Tonneau covers feature no-drill installation and don’t require any special tools for installation.
Read More: Can You Stand On A Tonneau Cover?
The last thing you have to think about before purchasing the tonneau cover is the warranty given by the manufacturer. Most Tonneau manufacturers provide at least a 3-year to 5-year hassle-free guarantee with a customer support team. So, you can buy the Tonneau truck bed cover with full confidence.
Undercover Armor Flex, Ultra-Flex & Flex Tonneau Cover (FAQs)
1) Can you wash your truck while the Undercover Armor Flex cover remains closed?
Yes, you can wash your truck even though your Undercover Armor Flex truck bed cover remains in closed condition. Yet, it offers a water-resistant seal. So, you won’t find any water leak issues with this Tonneau truck bed cover.
2) How much weight capacity does the Undercover Ultra Flex & Flex Tonneau Cover have to hold?
The Undercover Ultra Flex Tonneau Cover can hold up to 400 pounds of evenly distributed weight whereas the Undercover Flex Tonneau Cover can hold up to 300 pounds weight.
3) Can you close the tailgate without opening the Undercover Hard folding Tonneau cover?
The dual-action tailgate seal helps you to close the tailgate without opening the Undercover Hard folding Tonneau cover. Yet, you should open the last panel of the bed cover to some degree. So, the tailgate seal can’t fold under and you can easily close the tailgate without damaging the seal.
4) Does the Undercover Tonneau Cover affect gas mileage?
No, the Undercover Tonneau Cover doesn’t affect your gas mileage. However, most experts say that a tonneau cover enhances the fuel efficiency of the trucks. This tonneau cover can increase the gas mileage up to 10% or more by reducing the aerodynamic drag.
5) Does the Undercover Armor Flex cover require a standard toolbox for installation?
No, this Armor Flex cover doesn’t require a standard toolbox for installation.
6) Which Undercover Tonneau Cover has an integrated luminous rail light system?
The Undercover Ultra Flex Tonneau Cover has an integrated luminous rail light system. This LED rail light system can improve night vision.
We are at the end of our Undercover Armor Flex, Ultra Flex & Flex Tonneau Cover Reviews. In this article, we have discussed these three types of hard folding tonneau covers that fit best in your truck bed.
Most hard folding tonneau truck bed covers are expensive product. Yet, they provide a matte-black coating finish, weatherproof truck bed cover with an easy installation. They not only change the appearance but also provide ultimate control of the truck.
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