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Which Truck Bed Liner Brand Wins?
2021 test10 productsHome & Cleaning

Which Truck Bed Liner Brand Wins?

In our test we compared 10 truck bed liner options head to head. Durabak came out on top. See the measured results, the runner-up, the budget pick, and a link to the full test video. Shoppers cross-shopping bedliners, rhino liner, truck bed liners and truck bedliner land here for the head to head that settles it.

The verdict
Durabak
Winner

Durabak

Price shown in test: $45.95, or $1.44 per oz, the most expensive product tested

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EGC (European Genuine Coatings)
Budget pick

EGC (European Genuine Coatings)

Price shown in test: $79.95 for a 4-liter kit, or 62 cents per oz; the transcript labels this the 'least expensive' product tested, which appears to be a captioning or narration inconsistency since it is priced above several other products in the video

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The quick take

The short version of why each pick lands where it does, built straight from the measured results.

WinnerDurabak$45.95, or $1.44 per oz, the most expensive product tested

“In my opinion, Durabak definitely won the showdown, but it is a very expensive product.”

Best in 2 of 5 measurements, including Adhesion, bare metal and Dropped steel rod impact test.

Budget pickEGC (European Genuine Coatings)$79.95 for a 4-liter kit, or 62 cents per oz; the transcript labels this the 'least expensive' product tested, which appears to be a captioning or narration inconsistency since it is priced above several other products in the video

Best in 1 of 5 measurements, including Cold impact test damage.

The measured results

Every number below is read straight from the test. Products are listed in the order they finished.

Adhesion, primered metal

  • 1Durabak 18 polyurethane protective coating
    641 lb

    very impressive

  • 2Herculiner
    612 lb

    best yet, described as very impressive

  • 3European Genuine Coatings EGC
    56 lb
  • 4Raptor bedliner kit
    425 lb

    described as a terrific job

  • 5Flex Seal
    491 lb

    even better

  • 6Rust-Oleum truck bed coating
    89 lb

    notably lower relative improvement from primer than most other brands

  • 7POR-15 bedliner
    157 lb

    primer helped a lot

  • 8Dupli-Color Bed Armor (water-based)
    42 lb

    notably worse than the unprimered result, described as really struggling

  • 9Dupli-Color oil-based truck bed coating
    256 lb

    still great but slightly lower than the unprimered result

  • 10Iron Armor
    281 lb

    much better

Gasoline resistance

  • 1Durabak 18 polyurethane protective coating

    no problem

  • 2Herculiner

    no visible damage

  • 3European Genuine Coatings EGC

    held up just fine

  • 4Raptor bedliner kit

    no damage

  • 5Flex Seal

    peeling

  • 6Rust-Oleum truck bed coating

    held up just fine

  • 7POR-15 bedliner

    peeled away, along with the primer coating

  • 8Dupli-Color Bed Armor (water-based)

    tolerated just fine

  • 9Dupli-Color oil-based truck bed coating

    began breaking down, just like Iron Armor

  • 10Iron Armor

    did not hold up well

Diesel resistance

  • 1Durabak 18 polyurethane protective coating

    fine

  • 2Herculiner

    held up very well

  • 3European Genuine Coatings EGC

    held up very well

  • 4Raptor bedliner kit

    held up very well

  • 5Flex Seal

    seemed just fine

  • 6Rust-Oleum truck bed coating

    held up well

  • 7POR-15 bedliner

    no issues

  • 8Dupli-Color Bed Armor (water-based)

    did just fine

  • 9Dupli-Color oil-based truck bed coating

    began breaking down

  • 10Iron Armor

    broke down

Screw-drag scratch test

  • 1Durabak 18 polyurethane protective coating

    very minor visible damage, grouped in category two along with Rust-Oleum, Raptor, Herculiner, and POR-15

  • 2Herculiner

    very minor scratches visible under microscope, category two, about the same as Raptor

  • 3European Genuine Coatings EGC

    best of all brands, category one; had to use a microscope to even find the scratch

  • 4Raptor bedliner kit

    very minor scratch, hard to see under microscope, about as well as EGC

  • 5Flex Seal

    the screw cut right through the coating, described as very soft and rubbery

  • 6Rust-Oleum truck bed coating

    a scratch was left but not as deep as Iron Armor's, category two

  • 7POR-15 bedliner

    minor damage visible under microscope, category two, described as doing a great job just like Herculiner

  • 8Dupli-Color Bed Armor (water-based)

    the screw cut all the way through, about the same as Flex Seal

  • 9Dupli-Color oil-based truck bed coating

    fairly deep scratch, about the same as Iron Armor

  • 10Iron Armor

    fairly deep scratch, though the screw did not cut all the way through

Cold impact test damage

  • 1Durabak 18 polyurethane protective coating
    1.34 mm
  • 3European Genuine Coatings EGC
    6.16 mm

    best yet at that point in testing

  • 4Raptor bedliner kit
    5.12 mm
  • 5Flex Seal
    2.16 mm

    helped by its soft and rubbery characteristics in cold temperature

  • 6Rust-Oleum truck bed coating
    8.15 mm
  • 7POR-15 bedliner
    9.74 mm
  • 8Dupli-Color Bed Armor (water-based)
    5.54 mm
  • 9Dupli-Color oil-based truck bed coating
    13.61 mm

    worst of all brands in this test

  • 10Iron Armor
    9.09 mm
  • 2Herculiner
    not tested

Adhesion, bare metal

  • 1Durabak 18 polyurethane protective coating
    595 lb

    by far the best yet at that point in testing

  • 2Herculiner
    433 lb

    best yet at that point in testing

  • 3European Genuine Coatings EGC
    34 lb
  • 4Raptor bedliner kit
    48 lb

    let go

  • 5Flex Seal
    366 lb

    best yet at that point in testing

  • 6Rust-Oleum truck bed coating
    48 lb
  • 7POR-15 bedliner
    41 lb

    let go

  • 8Dupli-Color Bed Armor (water-based)
    72 lb

    let go

  • 10Iron Armor
    47 lb

    did not bond well without primer

  • 9Dupli-Color oil-based truck bed coating
    not tested

Rubbing alcohol resistance

  • 1Durabak 18 polyurethane protective coating

    beginning to break down, same as POR-15 and Herculiner

  • 2Herculiner

    still sticking to the metal but beginning to break down

  • 3European Genuine Coatings EGC

    tolerated very well with no visible damage

  • 5Flex Seal

    quickly peeled away

  • 6Rust-Oleum truck bed coating

    no apparent damage

  • 7POR-15 bedliner

    sticking but beginning to break down

  • 8Dupli-Color Bed Armor (water-based)

    peeled away

  • 9Dupli-Color oil-based truck bed coating

    peeling, about the same as Iron Armor

  • 10Iron Armor

    broke down and came loose

  • 4Raptor bedliner kit
    not tested

Dropped steel rod impact test damage

  • 4Raptor bedliner kit
    3.94 mm

    slightly more damage than Flex Seal

  • 5Flex Seal
    2.79 mm

    described as having very good adhesive properties

  • 6Rust-Oleum truck bed coating
    5.35 mm

    a little better than Iron Armor

  • 7POR-15 bedliner
    6.18 mm
  • 8Dupli-Color Bed Armor (water-based)
    3.1 mm5th
  • 9Dupli-Color oil-based truck bed coating
    7.92 mm

    the most damage of any brand in this test

  • 10Iron Armor
    5.91 mm
  • 1Durabak 18 polyurethane protective coating
    not tested
  • 2Herculiner
    not tested
  • 3European Genuine Coatings EGC
    not tested
All measurements (5 more)+

Ambient impact test damage

  • 4Raptor bedliner kit
    3.2 mm
  • 5Flex Seal
    3.23 mm

    slightly worse than cold but still described as doing really well

  • 6Rust-Oleum truck bed coating
    6.35 mm

    the warmer temperature helped quite a bit

  • 8Dupli-Color Bed Armor (water-based)
    3.21 mm

    improved slightly

  • 9Dupli-Color oil-based truck bed coating
    2.16 mm

    improved quite a bit at ambient temperature

  • 10Iron Armor
    9.42 mm

    slightly more damage than at subfreezing temperature

  • 1Durabak 18 polyurethane protective coating
    not tested
  • 2Herculiner
    not tested
  • 3European Genuine Coatings EGC
    not tested
  • 7POR-15 bedliner
    not tested

Ambient impact test

  • 1Durabak 18 polyurethane protective coating

    steel ball did not appear to penetrate the bedliner material

  • 2Herculiner

    the warmer temperature seemed to soften the coating just enough for the steel ball to penetrate

  • 3European Genuine Coatings EGC

    steel ball did not appear to fully penetrate the bedliner

  • 7POR-15 bedliner
    1.5 mm4th

    damage, fourth place; the warmer temperature helped quite a bit

  • 4Raptor bedliner kit
    not tested
  • 5Flex Seal
    not tested
  • 6Rust-Oleum truck bed coating
    not tested
  • 8Dupli-Color Bed Armor (water-based)
    not tested
  • 9Dupli-Color oil-based truck bed coating
    not tested
  • 10Iron Armor
    not tested

Dropped steel rod impact test

  • 1Durabak 18 polyurethane protective coating

    tied for first place with Herculiner; the rod left a very small mark but did not appear to penetrate

  • 2Herculiner

    tied for first place with Durabak, did by far the best yet

  • 3European Genuine Coatings EGC
    2.4 mm3rd

    damage, third place

  • 4Raptor bedliner kit
    not tested
  • 5Flex Seal
    not tested
  • 6Rust-Oleum truck bed coating
    not tested
  • 7POR-15 bedliner
    not tested
  • 8Dupli-Color Bed Armor (water-based)
    not tested
  • 9Dupli-Color oil-based truck bed coating
    not tested
  • 10Iron Armor
    not tested

Cold impact test

  • 2Herculiner

    did the best yet at that point in testing; the steel ball did not fully penetrate the bedliner

  • 1Durabak 18 polyurethane protective coating
    not tested
  • 3European Genuine Coatings EGC
    not tested
  • 4Raptor bedliner kit
    not tested
  • 5Flex Seal
    not tested
  • 6Rust-Oleum truck bed coating
    not tested
  • 7POR-15 bedliner
    not tested
  • 8Dupli-Color Bed Armor (water-based)
    not tested
  • 9Dupli-Color oil-based truck bed coating
    not tested
  • 10Iron Armor
    not tested

Adhesion, bare metal (no primer needed per manufacturer)

  • 9Dupli-Color oil-based truck bed coating
    358 lb
  • 1Durabak 18 polyurethane protective coating
    not tested
  • 2Herculiner
    not tested
  • 3European Genuine Coatings EGC
    not tested
  • 4Raptor bedliner kit
    not tested
  • 5Flex Seal
    not tested
  • 6Rust-Oleum truck bed coating
    not tested
  • 7POR-15 bedliner
    not tested
  • 8Dupli-Color Bed Armor (water-based)
    not tested
  • 10Iron Armor
    not tested

How it was tested

  • cold-temperature (minus 40F) high-caliber steel ball impact test
  • ambient-temperature (approximately 75F) steel ball impact test
  • tensile adhesion/bond strength test on bare and primered steel
  • chemical resistance soak test (rubbing alcohol, non-ethanol gasoline, diesel)
  • screw-drag scratch and abrasion resistance test
  • dropped 500 g steel rod impact test

“In my opinion, Durabak definitely won the showdown, but it is a very expensive product.”

From the test video verdict.

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