4 Best DIY Truck Bed Liners for Protecting Your Truck Against the Elements

Owning a pickup truck can be one of the most convenient and versatile vehicles you can own. Not only are they incredibly helpful when it comes to transporting goods for work or in your own time, these trucks are hardy and durable, designed to withstand the wear and tear of life, ensuring you have a vehicle that will last for decades to come.

However, while these pickup trucks are designed to withstand the elements, there are still several areas that have some degree of vulnerability. Most notably, this is the actual bed of your truck. Since it’s exposed to the weather and environment, this is the most common area where you’ll find signs of corrosion, such as rust.

If you’re using your truck to its full potential, simply using your truck bed to transport items, taking them in and out of the bed, can damage the bed itself thanks to friction, knocks, and bumps.

However, by taking steps to protect the bed of your truck means that you can prolong the lifespan of your truck, as well as minimizing the chances that you’ll need to make expensive body repairs.

Typically, protecting your truck is simple. You don’t even need to install a large panel or protective cover but can instead use a spray or brush-on cover to add an extra protective layer. Of course, this can then be applied as many or as few times as you like, ensuring your truck’s bed is protected for as long as you own it.

Today, we’re going to explore the best DIY truck bed liners available. We’ve taken everything into account, including the effectiveness of the product, the cost and the ease of application.

After careful consideration, we’ve narrowed down the best to just four of the best, ensuring you’ll be able to make the right purchase for you the first time around.
U-POL Tintable Truck Bed Liner Spray Coating

U-POL Tintable Truck Bed Liner Spray Coating

To start off our list of best DIY truck liners, we’ve chosen this affordable, high-performance spray kit that comes with everything you need for an easy protective experience that will tick all the boxes for what you’re looking for.

This particular kit works using a two-component urethane method. It can be applied to most plain metal surfaces or beds that have been finished with paint or manufacturer glosses.

Once you’ve applied a layer based on U-POL’s instructions, the layer will dry quickly, allowing you to apply another layer, if necessary, within 60 minutes.

Once dried, your truck bed will be protected against staining and abrasion from everyday wear and tear, as well as rust, damage from sunlight and many other forms of corrosion. This protective layer is also waterproof and even resistant to the vibrations from driving, a typical problem with conventional liners.

This kit comes with nearly everything you’ll need to apply the liner yourself, including 1 liter of hardener, 750mls of bed liner base (which is tintable to your preferred color) and a spray gun.
However, note that you’ll need to provide your own source of compressed air within the 50-60psi range.

All the instructions are also included, but the entire process is as simple as mixing your liquids, shaking them together and then spraying them on. Once applied, you can even brush them into your bed to achieve the texture that you want.

As you can see, this is a complete bed lining kit, and for one of the most affordable price tags, this could be the only kit you ever need!

  • Nearly everything you need included in the kit, including instructions
  • A tintable base for any color of the truck bed
  • Can be brushed for a consistent texture
  • Rapid drying time for multiple applications
  • Requires 50-60psi compressed air source to operating spray gun
  • Instructions may be difficult to follow (use online sources for more information)

U-POL Raptor Black Spray-On Truck Bed Liner

U-POL Raptor Black Spray-On Truck Bed Liner

Another entry from U-POL and we’ve opted this time for their Raptor edition spray-on truck bed liner.
This particular U-POL variety is one of the best-selling bed liner kits on the market today, as well as being one of the highest rated and most popular.

As you would expect from a leading liner kit, the final product is both scratch and stain resistant, ensuring that you can take anything in the back of your truck without the risk of damaging it. In fact, this protective layer is so high-performance, it even proactively minimizes sound and engine vibrations,
further protecting the quality of your cargo.

Once applied, you’ll also be able to enjoy the benefits of a UV-resistant finish, as well as being able to choose the exact color you want so it matches the existing color of your truck.

Application of this liner is easy thanks to the included spray and remains one of the affordable kits that won’t break the bank.

With extra features, such as quick drying times that allows you to add a second coat within two hours and high adhesion rate, this is one-liner kit that’s sure to tick all the boxes.

  • UV, corrosion and cargo-resistant finish
  • Rapid drying times
  • Multiple color options to choose from
  • Protects your cargo against truck sound and vibration
  • Slightly more expensive than other liner kits
  • Mixture smells a lot when applying (use dust or gas masks)

Herculiner HCL1B8 Brush-On Bed Liner

Herculiner HCL1B8 Brush-On Bed Liner

Herculiner is one of those products that simply does want it says on the tin and to one of the highest standards available, despite the highly competitive price tag. However, what really makes this kit great is the fact it doesn’t rely on any spraying mechanisms whatsoever. You simply mix, brush it on, and you’re done!

With this purchase, you’ll find 1 gallon of the protective coating, brushes and two rollers, giving you all the equipment you need to find that smooth and balanced layer of protection you’ve been looking for.

This particular liner can be applied to any surface, including metal, concrete and even wooden surfaces.

This level of versatility is all thanks to the polyurethane composite that it’s made from. In fact, it’s five times thicker than any other roll-on liner available today, guaranteeing an outstanding level of shielding.

In terms of performance, this liner is capable of protecting your truck against all the typical damages, such as UV rays, corrosion from rust and other elements, water, and chemicals. What sets this kit apart, however, is the fact that it’s skid-resistant.

This skid-resistant technology means you can place, drag and pull anything cargo you’re carrying in your truck, safe in the knowledge that the lining won’t chip, flake, peel, or in other ways come off in ways you don’t want it to.

  • Leading anti-skid technology to maintain a quality finish
  • Suitable for all kinds of truck bed materials
  • Protection against a variety of potential damages
  • Thick, brush-on application that requires no spray
  • 1 gallon will typically only complete two thick coats
  • Included brushes aren’t the highest quality

Al’s Liner ALS-BL Black Premium DIY Spray-On Truck Bed Liner Kit

Al’s Liner ALS-BL Black Premium DIY Spray-On Truck Bed Liner Kit

To finish our list of the best DIY truck bed liners, we’ve opted for this extremely affordable, yet highly versatile kit that’s suitable for all kinds of truck bed while providing you with a high-performance protective finish.

Regarding this level of protection, this solution consists of a three-part blend of polyurethane. This mixture is the industry standard when it comes to protective coatings that promise to remain solid against all kinds of damage that your truck bed may be subject to.

This includes protection against damaging UV rays, all kinds of corrosion, such as rust, and remains resistant against chemicals such as oil, solvents, and gasoline. This DIY work is simply to use when following the included instructions, detailing how much of each competent you should use.

With this kit, you can also benefit from a range of customizable options. This includes achieving the required thickness you want, and the ability to effortlessly apply it to any textured bed or matches any color you require.

All in all, this is one of the most complete sets available since it includes all the liquids, tints, measures and spray equipment that you need. This kit also uses a manual spray, so there’s no need for a source of pressured air.

  • Protection against UV, corrosion, and chemicals
  • Manual spray (no need for compressed air)
  • Can be tinted to match your truck’s color scheme
  • Works on any texture of truck you may have
  • Too thick to use in a spray gun (must manually apply)
  • Hardens quickly (sometimes in the spray applicator)


When it comes to DIY truck bed liners, it’s easy to see that there’s a lot of great options out there to choose from. By making sure you’re taking note of the sort of protection you want, whether that’s from the elements or your own cargo, you can be sure that you’re making the right purchasing decision

Any of the four choices we’ve listed above guarantee to provide you with the best protective layers, as well as going easy on your bank account.