Best Waterproof Tonneau Cover Review 2022

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Last Updated on May 24, 2022

Top Pick: UnderCover SE

If you are looking for a Waterproof Tonneau Cover and you don’t have the time to shop around, go for this one. Overall its performance and build quality are better than most others.

How often did you find your cargo drenched while driving on a rainy day even though you have a tonneau cover installed? If the answer is often, you may consider buying a better weatherproof or waterproof tonneau cover. Because protecting your precious cargo is the main job of a tonneau cover.

You may have a good quality tonneau cover installed on your truck bed. But, that doesn’t necessarily mean that it will be the best at protecting your cargo from rainwater. That is why we’ve compiled a list of the best waterproof tonneau cover.

While choosing a waterproof tonneau cover you must look for the following things.

  • Good build quality and durability
  • Quality material
  • Enough bed access
  • Easy installation
  • The best sealing against weather

We have made this list after considering all the things mentioned above. We have prioritized the weather sealing most to ensure the best waterproof experience. We have sorted these products according to their user reviews and experiences.

The following products were chosen as the best weatherproof tonneau cover. That doesn’t mean that they’ll be only good for their weather protection. While choosing these tonneau covers waterproof or weather protection was our highest priority among all the other necessary features.

So, you don’t need to worry about their other features. We will be describing all of them in the review. That way you’ll know which of these covers will be the best fit for you. Without further ado let’s move into the list.

Top 3 Best Waterproof Tonneau Cover Review

We are well aware of the hassle behind finding a list of suggested products and then not finding enough detail about those products. That is why we provide a simple and easy-to-understand review of those products. So, we suggest you read all these reviews to make a perfect purchase decision.

1. UnderCover SE (One-Piece) Truck Bed Tonneau Cover

Type: One-Piece
Material: Acrylonitrile Butadiene Styrene
Exterior: Machined
Protection: Waterproof, UV-Protected, Scratch Resistant
Lock Type: Tailgate

UnderCover is a company that makes only two types of covers with various designs. Despite making a few products, they are very popular. Distinguish design language and quality products are the main reasons behind their popularity. This one-piece tonneau cover is available for pretty much every truck model.

The reason behind this one-piece design choice is durability and ruggedness. The build of this cover is excellent with quality material choice. The cover is made from a black textured ABS Polymer to ensure UV, scratch, and dent resistance. The X-effect cross pattern given underneath the cover supports it to carry 400lbs of evenly distributed weight.

When it comes to weather sealing, this tonneau cover is the ultimate best. The tight fit and dual-sided quality rubber seal will provide the best possible seal against the weather. As for the long term, you should know that there is no folding or rolling part on this cover. So, there are no creases where the rubber seal can wear off and leak some water.

This one-piece tonneau cover is very easy to install. You will only need a standard ratchet, a half-inch socket, and a measuring tape. The installation process doesn’t require any drilling. It’ll take less than an hour to install the UnderCover SE.

This cover doesn’t require folding or rolling to open or close. You just need to unlock the top latch and lift the cover to get access to your truck bed. The integrated lock on the top latch ensures good security. The top part of this cover is easy to remove if you need to load any tall freight.


  • Extremely durable
  • Well-built and quality materials
  • Easy to install and use
  • No folding or rolling
  • Easily removable top part (if necessary)
  • Great weather sealing


  • You have to remove the top part for tall freight
  • No foldability means no partial access

This cover is the absolute best option in terms of weather seal. If there is any tonneau cover that can be claimed as waterproof, this is the one. It is capable of preventing all the water even during very bad weather. So, as the best waterproof tonneau cover, we will choose UnderCover SE.

2. Tyger Auto T3 (soft tri-fold) Truck Tonneau Cover

Type: Soft Tri-Fold
Material: Vinyl, Aluminum, Stainless Steel
Exterior: Dual-coated Vinyl
Weather-proof, Tear-resistant

Tyger Auto T3 is the most popular option as a soft tri-fold tonneau cover. Tyger Auto has a well-known reputation for its quality tonneau covers. T3 is one of their most popular offerings. This tonneau cover is available for pretty much any truck model and bed size you can find on the road.

For the top covering part of this tonneau cover, Tyger Auto used a dual-coated 24oz. marine-grade vinyl. Heavy-duty aluminum is used to make the frame of this tonneau cover. The frame is also powder-coated to prevent rust and corrosion.

Before talking about any other features, let’s describe the weather sealing. Unlike other low-budget tonneau covers, Tyger T3 has great weather sealing. It has integrated rubber seals to prevent dust and water. And these rubber seals are so good that you won’t need to worry about the sealing, after installing the T3. Tyger also provides a bulkhead rubber seal in case you need one.

Installing process of this cover is very easy. You won’t need any tools to install this cover. Just fastening the built-in clamps after aligning the cover with the truck bed is enough. You will need about 10 minutes to install this cover.

This is a low-profile tonneau cover and it can reduce about 10-13% of fuel consumption by making the truck more aerodynamic. The cover has two locks made of stainless steel. These locks are accessible after unlocking the tailgate.


  • Good build and durable
  • Easy and no-tool installation
  • Good sealing and security
  • Budget-friendly pricing


  • Two thirds (75%) of the truck bed is accessible
  •  Both of the rear clamps had to be opened to fold the cover
  • Can drain a little water while driving in heavy rain

We can’t say it is the best waterproof truck bed cover, but it’ll provide the best sealing against any weather at this price point. If you live in a place where it rains often or you drive even in heavy rain, then you shouldn’t choose this. Otherwise, it is a great choice and the price is also reasonable. In this article, T3 is our pick as the best low-budget waterproof tonneau cover.

3. Syneticusa Retractable Hard Tonneau Cover

Type: Retractable
Material: Aluminum
Exterior: Textured black, Matte black
Protection: Waterproof, UV protection, Snow-proof, Dust-proof
Lock Type: Key

Syneticusa is a company that makes different tonneau covers and various auto parts for all types of trucks. This company has maintained its reputation for delivering quality products at a relatively cheap price. This cover is available for almost all popular trucks and bed sizes.

This tonneau cover from Syneticusa is built well and durable enough to last a long time. The upper covering part is constructed with strong aluminum slats. These slats are powder-coated to protect them from rust, corrosion, and scratches. The cover is textured in a matte black finish which will also help protect against UV.

This cover can be a solid weather protector in any weather. There are rubber seals on every side to seal well against water and dust. There are two drainage tubes on the side to drain water outside your truck. If you can ensure the perfect installation, it’ll be a perfect waterproof tonneau cover.

The installation process of this cover is also relatively easy. You won’t need any extra tools to install. If you don’t have drainage holes in your truck bed, you’ll need a drill for that. All other required tools along with mounting brackets, bolts, and screws are provided in the box. You’ll need about 30 minutes to install this cover.

This low-profile truck bed cover sits flush with the truck bed. The locking system (secure key-lock system) of this cover allows you to lock it at any position you like. It will give you 100% bed access. As the canister of this cover is very compact, it doesn’t take up too much cargo space.


  • Well-built and quality material
  • Integrated and easy to use lock
  • Great security
  • Lockable in any position
  • Relatively low price


  • You have to push the cover to retract
  • Installing can be a little hard for beginners

We have selected this cover as the best budget retractable tonneau cover in our other review. Yes! It is that good. Considering the build and material quality along with all the other features, it is a solid choice as a waterproof tonneau cover. Just be careful while installing, otherwise, the sealing may not work well. If you don’t know well, take help from a professional or click here to read our installation guide for retractable tonneau cover.

4. Gator ETX (Soft Roll-Up) Truck Tonneau Cover

Style: Soft Roll-Up
Material: Vinyl
Protection: Weather Protection

Gator makes various types of tonneau covers for almost all the truck models and bed sizes available in the current market. ETX is one of the cheapest options in the market for a roll-up tonneau cover. Despite being cheap, ETX has earned its name for quality.

The build of this cover is quite good. The aluminum side rails ensure its durability. Industrial-strength leather grain vinyl was used to make the top covering part of ETX. Industrial-grade Velcro strips attach the cover to the side rails. Steel clamps are provided in the box.

ETX has integrated rubber seals for all the sides which provide a great seal against the weather. The Velcro on the sides makes it well-adjusted with the side rails and helps to seal it more. There is an integrated tension control that is adjustable for different weather conditions. It keeps the vinyl tight and wrinkle-free.

Gator ETX is easy to install and it doesn’t require any special tool. You will need a socket or wrench to tighten the clamps though. It will take about 20-30 minutes to install the cover.

This is a low-profile tonneau cover. So, it won’t add any extra height to your truck bed. This tonneau cover locks with an automatic trigger latch which is locked with the tailgate. There are a few metal bars attached to the vinyl. They support the vinyl when it’s lying flat.


  • Good material and build quality
  • Easy to use
  • Integrated tension control
  • Integrated metal bars and Velcro strips


  • Included clamps aren’t as good as other materials
  • Can leak some water during heavy rain

This is a sleek and stylish-looking tonneau cover. It’s better than any other roll-up tonneau cover available on the market and also costs less. But compared to the other three options mentioned above, it is a decent cover. If you have a tight budget and want a roll-up waterproof tonneau cover, this is the option to choose.

Best Waterproof Tonneau Cover

Final Words

If you have quite a bit of knowledge about tonneau covers, you may have heard that no tonneau cover’s 100% waterproof. Well, we agree with that. All the tonneau covers mentioned above are best at their position and we also described where they fall behind than the others.

We have described all our suggestions as thoroughly as possible with all their flaws. We have only selected those tonneau covers that have minimal water leakage problems. One or two of them may leak some water while driving in heavy rain. If you don’t have any problem with that particular situation, then you can choose any of these without any doubt.

We are confident that after reading this article you are now well aware of all these products. We hope this article will help you to choose the best waterproof tonneau cover for you. Our final thoughts are given below to help you.

So, if you want the best waterproof solution, go with the UnderCover SE. It will not give you the best bed access though. If you need a waterproof tonneau cover with retractability, then choose the Syneticusa. And for decent water protection with a minimum budget, you can choose between Tyger T3 and Gator ETX depending on your preference.

Read Also:
Quality tonneau cover under 300 dollar

Author: Charles King

Charles King is an automotive enthusiast with a keen interest in the latest technologies and products. He likes to educate himself and help other car lovers by sharing his knowledge. This website is a place for him to share his thoughts and experiences.

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