Skip to content
ARMORTHANE PROTECTING YOUR WORLD

PROTECTING YOUR WORLD

ARMORTHANE PROTECTING YOUR WORLD

Bed Liner Paint:
What Works,
What Wears Out

Aerosol, roll-on and 2K gun bedliner paints compared by real coverage, film build and cost per square foot, with a quantity calculator, prep steps and when a sprayed liner pays off.
Bedliner Quotes

Rolled-on liner wearing thin? Get a quote for a sprayed one.

Tell us your truck and bed size and a certified ArmorThane applicator near you will quote a sprayed polyurea liner. Typical full-size beds run $525–$700, and most are done in a day.

  • 80–125 mils, several times a paint job
  • Tack-free in minutes, home the same day
  • Color matching with an aliphatic topcoat
  • Beds, bumpers, rockers or the whole truck
Rather talk now? Call (417) 831-5090
Step 1 of 3
18.7 mils
U-POL Raptor, two sprayed coats
U-POL technical data sheet, Aug. 2023
80–125 mils
Typical pro spray-in liner
ArmorThane cost guide, 2026
$110–$308
Roll-on or 2K kit, 1–2 gallons
Herculiner to Monstaliner, read Oct. 2026
$525–$700
Pro spray-in, full-size bed
ArmorThane cost guide, 2026

Bed liner paint is the cheapest way to put a textured, grippy, rust-resistant skin on a truck bed, a bumper or an entire vehicle. It is also thin. How well it works comes down to which of the three formats you buy, how well you prep, and what you plan to throw in the bed.

Quick answer

Bed liner paint is a textured urethane, polyurethane or acrylic coating sold in aerosol cans, roll-on gallons and 2K kits you spray with a schutz gun. Two coats build roughly 8–40 mils, against 80–125 mils for a pro spray-in. A 6.5-ft bed takes about one gallon or one 4-liter Raptor kit, $110–$263. It suits light use, rust-prone steel and whole-vehicle texture; daily hauling favors sprayed polyurea. Work out your quantity.

Who's writing: ArmorThane makes ArmorLiner spray polyurea in Springfield, Missouri, and trains the applicators who spray it. We don't sell these paints, so we can be plain about where it works and where it doesn't. For kit-by-kit chemistry see our roll-on bedliner guide; for pro pricing, our spray-in bedliner cost breakdown.

What's in this guide
  1. 1What it is: three formats
  2. 2Products compared by cost per sq ft
  3. 3How much bedliner paint do I need? (calculator)
  4. 4Bedliner paint vs professional spray-in
  5. 5Paint or pro: ownership cost (interactive)
  6. 6Is it worth it?
  7. 7Prep over paint, bare metal or rust
  8. 8How to apply it, step by step
  9. 9How long it lasts and what fails
  10. 10Whole-truck bedliner paint jobs
  11. 11When you want it sprayed
  12. 12Straight answers (FAQ)
Start here

What bed liner paint actually is

"Bedliner paint," "truck bed paint" and "truck liner paint" all mean a coating you apply yourself that dries to a textured, slightly rubbery film. A liner shop is different: it runs a heated, high-pressure plural-component rig that mixes polyurea at the gun and lays down a liner in one pass. Paint goes on in thin coats with a can, a roller or a cheap air gun.

The shelf sorts into three formats, and the format matters more than the brand: it decides how thick you can build and how forgiving the job is.

FormatHow it goes onExamplesTwo-coat filmBest for
Aerosol (rattle can)Spray can; 2K cans activate with a button in the baseRust-Oleum Truck Bed Coating, Dupli-Color Bed Armor aerosol, Raptor 2K aerosolAbout 7.9 mils (Raptor 2K); others not publishedTouch-ups, rails, steps, small parts
Brush and rollStir, cut in with a brush, roll with a texture rollerHerculiner, Rust-Oleum gallon, Dupli-Color Bed Armor, Durabak, Monstaliner, POR-1529–39 mils (Durabak); up to 40 (Monstaliner)Whole beds, trailers, floors
Gun-applied 2KMix base and hardener, spray from a schutz (undercoating) gun on shop airU-POL Raptor, Herculiner Professional 2K, SEM Rock-It Liner, Al's Liner18.7 mils (Raptor); 12–30 (SEM, 2–3 coats)Even texture, whole vehicles
Film builds from U-POL, Durabak, Monstaliner and SEM technical data sheets, read October 2026. "Two-coat film" is dry film thickness where the maker publishes it.

One-part or two-part?

Rust-Oleum's gallon and Dupli-Color Bed Armor are water-based (Dupli-Color adds Kevlar). Herculiner's original kit is a solvent-based polyurethane with rubber granules. Durabak is a one-part, moisture-cured polyurethane at 75.8% solids by volume. Raptor, Herculiner Pro and SEM are 2K urethanes: add hardener (3:1 for Raptor) and you get about 60 minutes of pot life at 68°F.

Two-part products cure harder and faster, and the hardener carries isocyanates. OSHA names occupational asthma as the main effect of hazardous exposure, so a 2K job means a fitted respirator, not a dust mask. Our urethane vs polyurethane explainer covers the naming mess.

The category, side by side

Bedliner paint products compared by cost per sq ft

Makers quote coverage per can, per quart, per kit, per coat or per two coats, so shelf prices are hard to compare. We converted each maker's own figure into a cost per square foot at two coats. Click a column to sort. Our roll-on bedliner kit review goes deeper on each kit's chemistry and test results.

ProductFormatMaker's coverageTwo-coat film (mils)Price≈ $/sq ft, 2 coats
Rust-Oleum Truck Bed Coating, 15 ozAerosol15–20 sq ft per canNot published$15.99–$24.99$1.60–$3.33
U-POL Raptor 2K aerosol, 400 mlAerosol, 2K≈14 sq ft (1.3 m²) in 2 coats7.9$51.91$3.71
Rust-Oleum Truck Bed Coating, gallonBrush/roll140–160 sq ft per coatNot published$139.99$1.75–$2.00
Herculiner Original kit, 1 galBrush/rollOne 6-ft bed in 2 coats (+1 qt for 8 ft)Not published$109.99≈$1.62
POR-15 OEM Bed LinerBrush/roll/spray100–120 sq ft per gal; 2 coats on a 6-ft bedNot published$47 per quart$3.13–$3.76
Durabak 18 Textured, gallonBrush/roll/spray≈60 sq ft per gal in 2 coats29–39$159.95$2.67
Monstaliner Tintable, 2-gal kitRoll (sprayable)80 sq ft per gal at 14 mils per coat28–40$308$3.85
U-POL Raptor Black, 4-liter kitSchutz gun, 2K21.5 sq ft per activated qt in 2 coats; seller says 125 sq ft per kit18.7$234.99 + $27.99 gun$1.88–$2.61
Herculiner Professional 2K kitGun included, 2K≈80 sq ft (8-ft bed) in one coatNot published$164.99$2.06 (1 coat)
Prices from makers and retailers (Ace, Tractor Supply, Walmart, Auto Body Toolmart), read October 2026; they move. Coverage and film from each maker's data sheet or product page. The $/sq ft column is our math: price ÷ two-coat coverage. Where a maker gives a range we show both ends. Herculiner's "one 6-ft bed" we read as about 68 sq ft.

Not in the table. Dupli-Color lists Bed Armor at 16–18 sq ft per quart and its 16.5 oz aerosol at 25 sq ft per can; we didn't verify current prices. SEM's Rock-It Liner covers 150 sq ft per gallon at 6–10 mils per coat. Al's Liner sells a 2-part urethane gallon for $145 plus a $24.95 gun but doesn't publish coverage there. We couldn't load KBS Coatings' spec page, so we left it out rather than guess.

The cheapest square foot is a roll-on gallon from Herculiner or Rust-Oleum. The thickest film per dollar is Durabak or Monstaliner. Aerosols cost the most and build the least, so they belong on rails and touch-ups.

Interactive tool 1 of 2

How much bedliner paint do I need?

Pick a bed, add the extras you plan to coat, choose a product and the number of coats. The calculator uses each maker's published coverage and adds a waste allowance for rough texture, wheel wells and what stays in the tray.

Quantity and cost

Cans, gallons or kits for your truck

Bed areas are our estimates from ArmorThane's truck bed dimension tables. Coverage and prices as cited in the table above.

Floor, walls and wheel wells
Most makers say 2
Add more for spraying
Also coat
Used if "Whole exterior" is ticked
Bumpers, rockers, steps
70 sq ft
Area to coat
1 kit
0.86 kit of material needed
$263
Includes $27.99 gun
≈19 mils
Approx. dry film

Raptor 4-liter kit + gun, 2 coats. You need about 0.86 kit, so buy 1. Compare a pro spray-in bed at $525–$700, which lays down roughly 80–125 mils.

Bed areas are our estimates (floor and walls plus about 5% for wheel wells) from our truck bed dimensions guide; measure your bed for a tighter number. The 120 sq ft exterior default follows Durabak's guidance of about 2 gallons (60 sq ft each) for a regular-cab F-150 or Tacoma exterior. The Raptor kit uses U-POL's data-sheet coverage, about 90 sq ft in two coats, not the 125 sq ft a retailer quotes. Rust-Oleum aerosol coverage is treated as per coat.

The real difference

Bedliner paint vs professional spray-in

The gap is thickness, and it is large. Raptor's two-coat film is 18.7 mils. Durabak's is 29–39. Monstaliner tops out around 40. A pro applicator typically sprays 80–125 mils, and Rhino says its liners start at 1/8 inch, which is 125 mils. Drawn to scale, the difference looks like this.

Dry film thickness of DIY liner paints compared with a professional spray-in liner, drawn to scale Steel bed floor 7.9 18.7 29–39 ≤40 80–125 1 2 3 4 5 Dry film thickness, mils (1 mil = 0.001 in), to scale
  1. Raptor 2K aerosol, two coats (U-POL: 200 µm)
  2. Raptor 4-liter kit, two sprayed coats
  3. Durabak 18, two rolled coats
  4. Monstaliner, two rolled coats (maker: "up to 40")
  5. Pro spray-in polyurea: 80 mils (dark) to 125 mils (light), with a thin UV topcoat in gold
FactorDIY paint-on linerPro spray-in polyurea
Film thicknessAbout 8–40 mils in two coats80–125 mils, heavier on the floor
Cost, full-size bed$110–$308 in material, plus tape, abrasives, a gun for 2K$525–$700 typical; $470–$800 full range
Return to service24 hours (Herculiner) to 7 days (Raptor full cure)Tack-free in minutes; usable the same day
Texture controlSet by roller nap, gun pressure and coatsSet by the applicator; smooth to coarse
FadingDepends on product; aliphatic and "UV" versions hold colorAromatic liners darken or fade; an aliphatic topcoat fixes it
WarrantyProduct only; Monstaliner guarantees 5 years against fadingLINE-X and Rhino: lifetime, original owner, non-commercial
RepairsScuff and roll another coatApplicator patches or re-sprays
ArmorThane spray-in cost guide and best spray-in bedliner guide (2026), maker data sheets, and Monstaliner's feature sheet, read October 2026. Compare brands in our best spray-in bedliner roundup.

Thickness isn't everything: a well-bonded 20-mil film outlasts a poorly bonded 100-mil one, and thin paint is easy to recoat. But thickness is what absorbs a dropped engine block or a scoop of gravel. Once the film wears through, bare steel starts rusting under the edges.

Pickup truck bed protected with a thick spray-on liner, the professional alternative to bed liner paint
A sprayed liner builds several times the film of two coats of paint, in one visit.
Interactive tool 2 of 2

Paint or pro: what it costs over the years you keep the truck

A $110 kit looks cheap next to a $600 liner. The fair comparison runs over the years you'll own the truck, counting every re-coat and, if you like, your own hours.

Ownership cost

Bedliner paint vs a pro spray-in liner

Material at the coverage and prices cited above, two coats, 10% waste, cost pro-rated by the gallon. Pro range from ArmorThane's 2026 cost guide.

Our default; heavy use shortens it
Prep, masking, two coats
Leave at 0 to count material only
Bed liner paint
Better fit
$249
2 paint jobs over 6 years
$525–$700
Pro spray-in, once
$276–$451
Paint saves

Light use, Herculiner 1-gal kit. About 1.13 kits per job at $125 each in material. For weekend loads, paint is the cheaper way to keep the bed covered. Recoat as soon as the floor shows wear through to primer or steel.

"Years per paint job" is your assumption. For reference, Rust-Oleum's retail listing says one application "can last up to 4 years" and Durabak claims 10–15 years; both are vendor claims. The 8-hour default is our estimate. The tool counts a pro liner once.

For shops and contractors

Every peeling paint job is a liner customer.

Owners who rolled on a kit and watched it wear through are the easiest spray-in sale there is. ArmorThane supplies ArmorLiner polyurea and spray equipment and trains your crew through certification. Turnkey systems start at $25,000 with equipment, training, first chemical, prep and safety gear. No franchise fee, dealership fee or royalty.

Become a bedliner applicatorBedliner equipment cost

Third-party financing available. See applicator opportunities →

The decision

Is bed liner paint worth it?

Often, yes. A $110–$160 gallon kit is a fair trade for a truck that hauls coolers and the odd bag of mulch. It stops scratches turning into rust, adds grip, and you can roll another coat on a Saturday. It's the wrong buy when the bed takes real abuse every week.

Paint is enough

Light, occasional loads

  • Weekend hauling, camping gear, coolers
  • Older truck where $600 is out of proportion
  • Rails, bumpers, steps and trailer fenders
  • You'll happily recoat every few years
Pay for spray-in

Daily abuse

  • Gravel, rock, scrap, firewood, tools sliding
  • Equipment dropped in from a loader or tailgate
  • New truck you plan to keep 10 years
  • You want one job and a warranty
Either works

It depends on prep

  • Rust protection on a sound bed
  • Matching a color: tintable paint or a pro color match
  • Whole-vehicle texture (see below)
  • Covering a worn but bonded old liner
Already have an old liner?Paint bonds to a sound, scuffed liner but won't fix one that's lifting. Test it first with the steps in our bedliner removal guide, then decide whether to strip, patch or recoat.
Where jobs succeed or fail

Prep: over existing paint, bare metal or rust

One Expedition Portal member put it bluntly: "80% of a good job is proper prep." In Project Farm's roll-on test, as summarized by Durabak (a vendor in the test), Raptor pulled off bare steel at 48 lb but held 425 lb over primer. Same coating, nine times the grip.

Grit by surface, from the data sheets

SurfaceU-POL RaptorDurabakSEM Rock-ItNotes
Bare steelP80–18040 grit, then zinc phosphate primer on exteriorsP180Prime bare steel; it's where adhesion was weakest in testing
Factory paint, soundP180–32080 grit (100 for smooth exterior)P180Herculiner: scuff until there are "no glossy areas"
Aluminum or galvanizedP120–18040 gritP180Use the maker's etch or adhesion primer
Plastic trim, fiberglassP180–320 (flexible), P120–180 (rigid)Sand, wipeP180Adhesion promoter is the step people skip
U-POL Raptor 2K Black and Raptor 2K aerosol TDS, Durabak FAQ and exterior application page, SEM Rock-It Liner TDS, Herculiner kit page; read October 2026. More on abrasives in our coatings surface preparation guide.

Bedliner paint over existing paint

Fine, if the paint is sound. Degrease, scuff every glossy spot, blow off dust and wipe with the solvent the maker names (xylene for Durabak, wax and grease remover for most others). Don't coat peeling clear coat; the liner lifts with it.

Bedliner paint over rust

The most common mistake. NAPA warns that this paint "does not stop or repair existing rust." Grind scale and flaking rust back to firm metal, treat the rest with a converter the coating maker approves, prime, then coat; Durabak's FAQ gives the same order. Holes need welding or a patch panel first. Our truck bed rust repair guide covers when a bed is worth saving, and this rust repair article shows the sprayed route.

Don't trap waterCoating over active rust seals moisture in. The film looks fine for a season, then bubbles from underneath and lets go in sheets.
Application

How to apply bed liner paint

The order is the same for every format. The weather window, pot life and recoat time change.

  1. Check the weather window

    U-POL calls 68°F and under 60% humidity ideal for Raptor; its aerosol wants 41–77°F. Dupli-Color says 60–95°F. Herculiner and Durabak allow 32–95°F, though Durabak warns that 70%+ humidity causes bubbling.

  2. Strip the bed and mask hard

    Pull the tailgate if you can, remove tie-downs and bed bolts, and mask lights and paint. 2K overspray travels; plastic-sheet the cab.

  3. Wash, scuff, wipe

    Degrease, sand to the grit above, blow out the seams and solvent-wipe. Fix rust now. Prime bare metal and use adhesion promoter on plastics.

  4. Mix only what you'll use

    Raptor is 3:1 with about 60 minutes of pot life; SEM Rock-It gives 30. Monstaliner claims up to 8 hours. One-part products need a long stir; O'Reilly's Bed Armor walkthrough stirs for 10 minutes.

  5. Cut in, then coat

    Brush seams, corners and bolt holes first, then roll in small sections or spray overlapping passes. Raptor's gun runs 45–50 psi for coarse texture, 60–65 psi for medium.

  6. Wait the recoat window, then coat again

    Raptor wants 60 minutes between coats, Dupli-Color 3 hours, Durabak 1–24 hours at light tack. Durabak warns heavy coats "trap the curing gasses and leave pinholes."

  7. Pull tape early, then leave it alone

    Untape while the last coat is soft. Light use ranges from 24 hours (Herculiner) to 48 hours (SEM, Monstaliner); Raptor wants 7 days before heavy use.

Aerosol (rattle can) tips

  • Warm cans in water so they atomize evenly
  • Activate a 2K can only when ready; Raptor's lasts about an hour
  • Two coats minimum; Raptor's aerosol is sprayed from 2–3 feet
  • Plan on 5–7 cans for a full 6.5-ft bed, which is why gallons win

Schutz gun tips

  • Bottles thread straight onto the gun; no cup to clean
  • Lower pressure and more distance give a coarser texture
  • Clean with lacquer thinner straight after; soap won't touch it
  • Do a test panel to dial in texture before the bed
Applicator spraying a textured truck bedliner coating, the sprayed alternative to rolled bed liner paint
Spraying gives a more even texture than rolling, whichever product is in the gun.
Respirator, not a dust mask2K hardeners contain isocyanates. Engineers Who Van Life, who sprayed Raptor on their van, list gloves, goggles and a respirator mask as the minimum. Spray outdoors or with real ventilation, and keep kids and pets away until it's dry.
Durability

How long bed liner paint lasts and what fails first

No independent study tracks these coatings over years, so treat every lifespan number as a vendor claim. Here is what the makers say.

Rust-Oleum gallon
4 yr
Monstaliner no-fade
5 yr
Durabak claimed
10–15 yr

Vendor claims, not test results: Rust-Oleum via Tractor Supply's listing, Monstaliner's feature sheet, Durabak's FAQ; read October 2026. Bars show the high end.

Real life depends on the floor more than the label. Walls and rails can look new for years while the floor between the wheel wells wears through where cargo slides, so recoating just the floor every couple of years is normal.

The four ways it fails

Most common

Peeling in sheets

Poor adhesion: skipped scuffing, no primer on bare steel, or rust underneath. It starts at an edge and keeps going.

Heavy use

Wear-through on the floor

Twenty to forty mils don't survive shoveled gravel for long. Bare spots appear on rib tops first.

Sun

Fading and chalking

Durabak says its indoor version discolors in sun; buy the UV or aliphatic version for outdoor work.

Application

Pinholes and soft spots

Coats too heavy, too cold or too humid. Gas gets trapped, or the film never fully cures.

Repairs are where paint earns its keep: scuff the worn area, feather the edges and roll another coat. For a color that won't fade, our bedliner colors guide explains why aromatic coatings darken and which topcoats prevent it.

Beyond the bed

Whole-truck bedliner paint jobs

The Raptor-style full-body job, a truck, Jeep or van coated stem to stern in textured liner, is mostly a DIY paint project. It shrugs off trail scratches and parking-lot dings, costs less than a quality repaint and looks purpose-built. Wikipedia notes that better color choice has made coating whole exteriors "more popular."

How much material a whole vehicle takes

Vehicle (Durabak's example)BedExteriorTotal
Ford F-150, regular cab, 6'5" bedAbout 1+ galAbout 2 galAbout 3 gal
Toyota Tacoma, 5' bedAbout 3 qtAbout 2 galAbout 2.75 gal
Honda Ridgeline, 5'3" bedAbout 1 galAbout 2 galAbout 3 gal
Durabak, "How Much Bed Liner Do I Need For My Truck" (Mar. 2018), textured, two coats at about 60 sq ft per gallon. Durabak's smooth exterior method covers 75–80 sq ft per gallon. Crew cabs and SUVs need more; add bumpers and rockers in the calculator.

Sprayed 2K texture wastes more. U-POL's data sheet works out to about 21.5 sq ft per activated quart in two coats, so a 120 sq ft exterior needs a little over one 4-liter kit before overspray; most people buy two. A Raptor 2-gallon kit with gun was $325 at Raptor Liner USA when we checked.

What a pro full-body job costs

Nobody publishes a price list, so these are dated owner reports. An IH8MUD member was quoted $4,000–$5,000 by LINE-X in April 2018, with the owner removing trim and lights. On Expedition Portal in December 2015, one owner had a $6,000 LINE-X quote against $1,300 from an independent shop. Engineers Who Van Life put the pro route for a van at $4,000–$6,000 against about $200 in Raptor (2023). Ask an applicator near you for a current number.

Why people love it

  • Scratches from brush and branches don't show
  • Dings and rock chips don't flake it
  • Spot repairs blend with a can or roller
  • Material costs a fraction of a quality repaint

What owners warn about

  • Washing it is "like washing 120 grit sandpaper," one IH8MUD owner wrote
  • Mud can stain textured surfaces; red pigments fade faster
  • It hides rust forming underneath; prep matters even more
  • It narrows the resale market, and it's very hard to remove

Tintable bedliner paint and color matching

Raptor Tintable takes up to 10% tint depending on color, and U-POL says it "delivers a high level of fade resistance." Monstaliner sells a tintable kit with color concentrates and a 5-year no-fade guarantee. Durabak 18 comes in 16 colors. On sprayed polyurea, applicators match paint codes with an aliphatic topcoat; ours is STS ColorCoat. Off-road builds lean on this most; see our Jeep bedliner work.

Cybertruck with ArmorThane spray-on bedliner coating for rust protection, a sprayed alternative to whole-vehicle bed liner paint
Sprayed liner is not limited to beds; applicators coat whole vehicles and their components.
ArmorThane applicators

When you'd rather have it sprayed: ArmorLiner polyurea

ArmorLiner is a two-component, 1:1, 100% solids, fast-set polyurea that certified ArmorThane applicators spray with heated plural-component equipment. With no solvent to flash off, the film you spray is the film you keep, typically 80–125 mils on a bed. It's tack-free in minutes.

For color that holds in the sun, applicators topcoat with STS ColorCoat, a two-component aliphatic polyurethane matched to any OEM paint code. ArmorThane has made coatings since 1989 and supplies applicators in more than 50 countries. If paint suits your truck, use paint; if not, get a quote.

Get a bedliner quote →ArmorLiner polyurea

Prefer to browse first? See our spray-on bedliners page or find a certified applicator.

Close-up of a textured black spray-in bedliner covering the ribbed floor of a pickup bed
A sprayed polyurea liner fills the floor ribs at full thickness in one visit.
Straight answers

Bed liner paint FAQ

What is bed liner paint?

Bed liner paint is a textured protective coating you apply yourself from an aerosol can, a roller or a schutz gun. Products range from water-based acrylics and polyurethanes to one-part moisture-cured urethanes and two-part urethanes such as U-POL Raptor. Two coats typically build about 8–40 mils, much thinner than a professional spray-in liner at 80–125 mils.

Is bedliner paint worth it?

For light and occasional use, yes. A $110–$160 gallon kit protects paint from scratches, adds grip and can be recoated on a weekend. For daily work hauling gravel, tools or firewood, the thin film wears through on the floor, and a professional spray-in at about $525–$700 usually costs less than repeated paint jobs over the years you own the truck.

How long does bed liner paint last?

It depends on prep and use, and only vendor claims exist. Rust-Oleum's retail listing says its gallon "can last up to 4 years," Monstaliner guarantees 5 years against fading, and Durabak claims a 10–15 year service life. In practice the floor between the wheel wells wears first, so plan to recoat that area every few years on a working truck.

How much bed liner paint do I need for a truck bed?

A 6.5-ft bed is roughly 70 sq ft of floor and walls, our estimate. That's about one Herculiner gallon kit, a little over one Durabak gallon at 60 sq ft per gallon, or one 4-liter Raptor kit. An 8-ft bed needs an extra quart or more. Aerosols are impractical for whole beds: expect 5–7 cans for two coats.

Can you put bedliner paint over existing paint?

Yes, if the paint is sound. Wash and degrease, then scuff until no glossy areas remain: U-POL specifies P180–320 for painted surfaces and Durabak 80 grit. Blow off the dust and wipe with the maker's recommended solvent. Don't coat over peeling clear coat or flaking paint, because the liner will lift with it.

Can you apply bedliner paint over rust?

Not over loose or active rust. NAPA warns that liner paint does not stop existing rust, and coating over it traps moisture. Remove scale and flaking rust back to firm metal, treat the remainder with a converter the coating maker approves, prime bare steel, then coat. Rusted-through holes need welding or a patch panel first.

Can you paint a whole truck with bedliner?

Yes, and many owners do. Durabak estimates about 3 gallons for a regular-cab F-150 including the bed, and gun-applied 2K products like Raptor give the most even texture. Remove trim and lights, sand everything, use adhesion promoter on plastics and spray two thin coats. Expect harder washing, possible staining, and a narrower resale market.

How much does a full-body bedliner paint job cost?

DIY materials run from a few hundred dollars to around $1,000 depending on product and vehicle size. Professional full-body work isn't published; owners have reported LINE-X quotes of $4,000–$5,000 (2018) and $6,000 (2015), and an independent shop quote of $1,300. Disassembly and color matching drive the price, so get a current local quote.

Is spray-on bedliner paint from an aerosol can any good?

Aerosol bedliner spray paint is good for touch-ups, rails, steps and small parts. It's poor value for a whole bed. Rust-Oleum's 15 oz can covers 15–20 sq ft, and U-POL's Raptor 2K aerosol builds only about 7.9 mils in two coats over roughly 14 sq ft. A gallon or kit costs less per square foot and builds more film.

Can bedliner paint be tinted to match my truck?

Some can. U-POL Raptor Tintable accepts up to 10% tint depending on color, and Monstaliner sells a tintable kit with color concentrates and a 5-year no-fade guarantee. Durabak 18 comes in 16 colors. For an exact paint-code match on a sprayed liner, applicators use an aliphatic topcoat such as ArmorThane's STS ColorCoat.

What is the difference between bedliner paint and a professional spray-in liner?

Thickness, chemistry and equipment. Bedliner paint goes on in thin coats with cans, rollers or a schutz gun and builds about 8–40 mils. A professional liner is usually 100% solids polyurea sprayed hot from a plural-component rig at 80–125 mils, tack-free in minutes. Paint costs less upfront; spray-in lasts longer under heavy use.

How long before I can use my truck bed after painting it?

It depends on the product. Herculiner says its liner fully cures in 24 hours, SEM and Monstaliner allow light use after 48 hours, Durabak reaches full cure in about 4 days, and U-POL recommends 7 days before heavy use of Raptor. Cold or humid weather stretches every one of those times.

AT
ArmorThane Technical Team · Springfield, Missouri
Written from coating makers' technical data sheets and product pages, retailer listings, owner reports and decades of making spray polyurea. Reviewed October 2, 2026.

Methodology and sources

Prices as published by makers and retailers, read October 2026; they change often and vary by store. Cost per square foot is our math from each maker's own coverage figure. Bed areas are our estimates from published bed dimensions. Lifespan figures are vendor claims; we found no independent long-term study of these coatings. Project Farm results are cited as summarized by Durabak, a vendor in the test. Full-body pro prices are owner reports from forums, dated, not published price lists.

  1. U-POL, Raptor 2K Black Protective Coating technical data sheet (Aug. 25, 2023): u-pol.com
  2. U-POL, Raptor Tintable technical data sheet (Jul. 9, 2018): u-pol.com
  3. U-POL, Raptor 2K Aerosol technical data sheet v2.0 (Aug. 7, 2019): u-pol.com
  4. Auto Body Toolmart, U-POL Raptor 4-liter kit listing (read Oct. 2026): autobodytoolmart.com
  5. Walmart, U-POL Raptor 2K aerosol listing (read Oct. 2026): walmart.com
  6. Raptor Liner USA, 2-gallon kit with gun (read Oct. 2026): raptorliner.com
  7. Tractor Supply, Rust-Oleum Truck Bed Coating 15 oz and 1 gal listings (read Oct. 2026): aerosol, gallon
  8. Ace Hardware, Rust-Oleum Truck Bed Coating 15 oz (read Oct. 2026): acehardware.com
  9. Herculiner, Original and Professional Grade bed liner kits (read Oct. 2026): original, professional
  10. Dupli-Color, Bed Armor coating, Bed Armor aerosol and gallon kit product description (Dec. 2012): coating, aerosol, kit PDS
  11. Durabak, bed liner collection, full FAQ and truck exterior smooth application (read Oct. 2026): collection, FAQ, exterior
  12. Durabak, How Much Bed Liner Do I Need For My Truck (Mar. 2, 2018): durabakcompany.com
  13. Durabak, Durabak vs Herculiner vs Raptor (Project Farm summary): durabakcompany.com
  14. Monstaliner, feature sheet and 2-gallon tintable kit: feature sheet, kit
  15. SEM Products, Rock-It Liner technical data sheet: semproducts.com
  16. Al's Liner, Premium DIY Shake & Shoot kit: alsliner.com
  17. POR-15, OEM Bed Liner: por15.com
  18. NAPA Know How, How To Paint On Truck Bed Liner (May 6, 2022): napaonline.com
  19. O'Reilly Auto Parts, How to: Painting Bed Liner: oreillyauto.com
  20. OSHA, Isocyanates: osha.gov
  21. Engineers Who Van Life, Raptor Liner on your camper van (Apr. 2023, updated Jul. 2024): engineerswhovanlife.com
  22. Owner forums: IH8MUD, Rhino lining entire body (Apr. 2018); Expedition Portal, LINE-X entire paint job cost (Dec. 2015) and Best DIY bedliner (May 2017): IH8MUD, Expedition Portal, Expedition Portal
  23. Wikipedia, Truck bedliner: wikipedia.org
  24. ArmorThane, Spray-In Bedliner Cost, Best Spray-In Bedliner, Bedliner Colors and Truck Bed Dimensions guides (2026): armorthane.com
  25. ArmorThane, All About ArmorLiner and STS ColorCoat product page: armorthane.com
Bedliner Newsletter

New bedliner guides, no sales spam.

Occasional emails when we publish new bedliner, rust repair and coating guides built from data sheets and real prices.

  • New product specs and price checks
  • Prep and repair how-tos
  • Applicator business tips if you spray
Need a price on a project now? Get a free quote or call (417) 831-5090.
Which applications interest you?
Pick all that apply. We only send you what fits.
Optional. Helps us point you to applicators near you.

latest news & bLOGS

Learn more

Tired of re-painting the bed every couple of years?

A certified ArmorThane applicator can spray ArmorLiner polyurea over a prepped bed, bumpers or the whole truck at full thickness. Get a quote, compare it with your next paint job, and decide.

Find a bedliner applicator →See spray-in bedliner cost
United States 417-831-5090 · Canada 780-444-6200

CONTACT US

REQUEST A QUOTE OR

BECOME AN APPLICATOR

ArmorThane has built a strong reputation over the past 30 years for producing high-quality, durable protective coatings.

group 115 660555abebfe4
Phone Number

Tel: 417.831.5090

group 115 1 660556c21395c
Email Us

moreinfo@armorthane.com

Step 1 of 3

We want to help you find the best ArmorThane applicator for your protective coating project. Please either fill out the request form below or call us toll free at 417-831-5090, any time Monday-Friday, 8:00 a.m. to 5:00 p.m. Central Standard Time.

RV Find An Applicator

Step 1 of 3

Connect with an authorized ArmorThane professional to get a long-lasting, seamless protective coating for your RV. Submit the form below or call us directly at 417-831-5090 (Monday–Friday, 8:00 AM – 5:00 PM CST).

Facebook Twitter Youtube

Find An Applicator

Applicator Login

Armorthane Logo Outlined
CALL NOW
BECOME APPLICATOR
FIND APPLICATOR

Protective Coating Applications

Products

Applicator Opportunities

Knowledge Center

Galleries