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POR-15 Rust Preventive Coating, Stop Rust and Corrosion Permanently, Anti-rust, Non-porous Protective Barrier, 16 Fluid Ounces, Gloss Black

4.7 4.7 out of 5 stars 2,855 ratings

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About this item

  • ✅ WHY CHOOSE POR-15 RUST PREVENTIVE COATING – POR-15 is the gold standard in high performance coatings. Trusted by DIY and professionals to stop rust permanently by forming an impenetrable barrier that protects a variety of surfaces from water, chemicals, salt, corrosive contaminants and everyday wear and tear. No other paint, coating, or even powder coat can match POR-15 Rust Preventive Coating when applied using the 3-Step Stop Rust System.
  • ✅ CURED BY MOISTURE – The secret strength lies in the curing process. Unlike most paints that dry through evaporation, POR-15 Rust Preventive Coating dries faster when moisture is present. It has the opposite chemistry of ordinary paints. Once cured, the coating forms an indestructible, hammer tough finish.
  • ✅ APPLICATION - Remove grease, oil, and other foreign substances using POR-15 water-based Cleaner Degreaser followed with POR-15 Metal Prep to etch the surface and neutralize rust. Stir POR-15 Rust Preventive Coating thoroughly, DO NOT SHAKE. Always apply thin coats, minimum of two. May be recoated or top coated when dry to the touch, typically 2 to 5 hours. Topcoat when surface will have exposure to UV light.
  • ✅ WHEN DO I NEED THIS – Automotive, Farm, industrial, commercial marine, and construction industries all use POR-15 Rust Preventive Coating to protect valuable equipment against rust, abrasion, & corrosion. Our coating has excellent surface tolerance on porous surfaces, such as wood, fiberglass, concrete, bricks, and more!
  • ✅ OUR SATISFACTION COMMITMENT – At POR-15 we strive to bring the ultimate in rust prevention. Known for the unbeatable 3-step stop rust system, POR-15 is trusted by DIY & Professionals. We are committed to innovation, quality control, and excellent customer service.
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Customer ratings by feature

Longevity
4.7 4.7
Durability
4.6 4.6
Adhesion
4.6 4.6
Easy to use
4.5 4.5

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POR-15 Rust Preventive Coating, Stop Rust and Corrosion Permanently, Anti-rust, Non-porous Protective Barrier, 16 Fluid Ounces, Gloss Black
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Price$46.28$11.40$70.61$36.99$30.50
Delivery
Get it as soon as Thursday, Mar 28
Get it as soon as Wednesday, Mar 27
Get it Apr 11 - 15
Get it Apr 1 - 5
Get it as soon as Wednesday, Mar 27
Customer Ratings
Adhesion
4.6
4.6
4.4
4.7
4.5
Easy to use
4.5
4.4
4.0
4.7
4.7
Durability
4.6
4.4
4.1
4.6
4.3
Value for money
4.1
4.5
3.7
4.7
4.4
Longevity
4.7
4.0
4.7
4.1
Sold By
POR-15
Amazon.com
POR-15
The Eastwood Company
Amazon.com
volume
1 pints
4 fluid ounces
1 quarts
1 pints
1 quarts
unit count
16
4
32
16
32
paint type
Watercolor
Spray
Watercolor, Oil
Spray
Watercolor, Spray
surface suggestion
Metal
Metal
Metal
Metal
specialty
Non Toxic
Non Toxic
Odor Free
Odor Free

From the brand


From the manufacturer

POR-15 Rust Preventive Sizes

POR-15 Rust Preventive Coating

POR-15 3-Step Stop Rust Preventive System
Use as part of the POR-15 3-Step System for Permanent results

The ultimate rust preventive system for permanent corrosion protection. Shields metal in just 3 easy steps, clean it, prep it, and coat it.

  • Step 1: POR-15 Cleaner Degreaser removes grease, oil, dirt & grime in one application without leaving residues, or flammable solvents.
  • Step 2: POR-15 Metal Prep provides the best adhesion for POR-15 Rust Preventive Coating on any metal surface.
  • Step 3: POR-15 Rust Preventive Coating is a high performance coating designed for application directly on stable rust or seasoned metal surfaces.

POR-15 Rust Preventive Coating

Stop Rust and Corrosion Permanently

POR-15 Rust Preventive Coating REALLY Stops Rust Permanently! POR-15 Rust Preventive Coating is designed for application directly on prepped rusted, sandblasted, and seasoned metal surfaces. It dries to a rock-hard, non-porous finish that won’t chip, crack, or peel, and it prevents rust from recurring by protecting metal from further exposure to moisture.

Provides rust protection with a hammer-tough finish.

  • Seals rust permanently
  • No need to remove rust before applying
  • Lead-Free
  • For metal substrates
  • * Exceeds 2000 hour salt spray test
  • * Tested over 450°F / 232°C
  • Repels fuels and oils
  • * Resistant to most acids and alkalis

Proper application of POR-15 Rust Preventive Coating using the 3-Step System

POR-15 Cleaner Degreaser

POR-15 Metal Prep

POR-15 Rust Preventive Coating

POR-15 Top Coat

Step 1: Clean it!

Remove loose rust and degrease surface with water-based POR-15 Cleaner Degreaser

Step 2: Prep it!

Neutralize rust and etch it with POR-15 Metal Prep. Thoroughly wash with water and dry.

Step 3: Coat it!

When surface is dry, apply POR-15 Rust Preventive Coating right onto the rust with two or three thin coats!

For areas exposed to U.V. light - Topcoat it

Topcoat with POR-15 Top Coat, POR-15 2K Urethane, or other top coat of your choice. Top Coat the POR-15 Rust preventive while it is tacky for proper adhesion.

* LABORATORY TEST RESULTS

POR-15 Rust Preventive Coating was tested for 168 hours at 97°F in a condensing humidity salt spray (ASTM B117). At the end of the test period, coated steel was free of rust or pitting. Acid and alkali resistance tests performed found panels coated with POR-15 Rust Preventive Coating to be impervious to gasoline, oil, chromic acid, hydrochloric acid, phosphoric acid, sodium hydroxide, caustic soda, 50% sulfuric acid, and 50% hydrofluoric acid. POR-15 Rust Preventive Coating was applied over a rusty substrate as a finish coat (approximately 23 mils dry film thickness). The coating showed essentially no undercutting at the scribed area after 2000 hours in a weatherometer*.

A 2 mil thickness of POR-15 Rust Preventive Coating was applied to lightly rusted steel and then exposed for 1000 hours to a salt spray. At the end of the test period, no undercutting was observed at the scribed area. Recoatability is excellent. Laboratory tests have shown very good adhesion when applied up to 14 days after application of the first coat. In an actual Field test, a topcoat was applied 6 weeks after the first coat had been applied, and the intercoat adhesion was excellent as determined by a crosshatch tape test. A metal box used as a filter for raw sewage was coated with POR-15 Rust Preventive Coating and placed in service within a few hours after the interior and exterior were coated. No visible rusting occurred at the welded areas after a six month exposure.

A POR-15 Rust Preventive Coating coating was subjected to 450°F for 10 hours; it remained hard and showed no apparent loss of adhesion. A panel subjected to elongation was pulled beyond the yield point of the base metal without affecting the POR-15 Rust Preventive Coating coating.

* For more detailed lab test results contact P.O.R. Products

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POR-15

POR-15 Rust Preventive Coating, Stop Rust and Corrosion Permanently, Anti-rust, Non-porous Protective Barrier, 16 Fluid Ounces, Gloss Black


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Product Description

Back hammer tough won't crack, chip or peel perfect for auto, farm, marine, industrial And home projectspor-15 rust preventive coating is a high performance coating designed for application directly on rusted or seasoned metal surfaces. Por-15 rust preventive coating is non-porous and seals and protects many surfaces from water, chemicals, salt, and other corrosive contaminants. Por-15 rust preventive coating is an effective anti-corrosive and rust preventive coating that offers superior chemical resistance due to its dense, cross-linked molecular composition and non-porous attributes. The secret lies in por-15 rust preventive coating's curing process. Most paints dry through evaporation, but por-15 rust preventive coating dries faster when moisture is present. It has the opposite chemistry of ordinary paints. Now add to that por-15 rust preventive coating incredible hardness, toughness, and flexibility and you have a coating that is practically indestructible. Por-15 rust preventive coating is great for auto restoration, and protecting valuable equipment against rust and corrosion. You'll be amazed at the toughness visit my store for a vast variety of interesting items.

Customer reviews

4.7 out of 5 stars
4.7 out of 5
2,855 global ratings

Customers say

Customers like the quality, value, rust prevention, finish and ease of use of the auto accessory. For example, they mention it works very well, it's worth the hype, it does seem to arrest rust and that it looks good. They are also happy with washability, and adhesion. That said, opinions are mixed on the paint quality.

AI-generated from the text of customer reviews

262 customers mention236 positive26 negative

Customers are satisfied with the quality of the auto accessory. They mention that it works well, is of high quality, and is durable. Some say that the product is excellent and does a fantastic job.

"Good quality use it ezey" Read more

"This paint is solid. When surface is prepared correctly. I purchased the quart cleaning kit for prep after I put the parts through a parts washer...." Read more

"...Wear gloves and clothes that you can throw out if you’re sloppy. It works great...." Read more

"This stuff is tough as nails. Make sure you don’t need your paint brush after using this product because it’s hard to clean up...." Read more

145 customers mention114 positive31 negative

Customers like the value of the auto accessory. They mention that it's well worth the money, and is worth its weight in gold. Some say that the product is wicked and doesn't like to get it on their skin.

"...This Paint was well worth the money it cost...." Read more

"This stuff is amazing and looks great brushed on. No brush strokes it seeps into plac. Spend the time prepping the frame and it will come out great...." Read more

"...Don't scoff at the price, POR15 is worth its weight in gold...." Read more

"Great stuff, goes thin so you have to re-apply it a few times...." Read more

116 customers mention103 positive13 negative

Customers like the rust prevention of the auto accessory. They say it does seem to arrest rust, is great for old rusted frames, and is the best rust proof paint they've ever used. It's super strong and sticks well to rust. It covers well over rusty areas and creates a non-porous, hard surface.

"...looking to seal up simple surface rust this is great stuff and creates a non-porous, hard surface...." Read more

"...This product is a step towards doing that. I have no rust and don’t want any...." Read more

"...Worked well on everything that was prepped correctly and not too rusted (i.e. not rotted)...." Read more

"Not only does it stop metal from continuing to rust. It dries almost like a two part paint. Real durable." Read more

77 customers mention73 positive4 negative

Customers are satisfied with the finish of the auto accessory. They mention that it looks good, is appealing, and is of high quality. Some say that the paint is amazing and forms a great coat. Overall, most are happy with the product and recommend it to others.

"...I thank others for posting comments about this product - it's really fabulous and I can't imagine ever having to revisit this deck for decades...." Read more

"...As long as you don't apply it too thick, it cures hard with a surprisingly glossy finish (black product)...." Read more

"When your done the finish is nice and hard and shiny" Read more

"It makes partsLook shiny and new" Read more

73 customers mention62 positive11 negative

Customers find the rust preventer easy to apply and use. They say it goes on smooth and brushes on easily. Customers also mention that it levels well and is super hard.

"...I used the cheap foam brushes from Walmart for application. Goes on nice and smooth and since they're only 50 cents I just buy a handful and use..." Read more

"...and I'm amazed - it did indeed dry to a rock-hard finish and brushed on easily - including the rusted caps on the spindle shafts below the blades..." Read more

"...my truck frame and it is fantastic, great finish, levels well and super hard. One time use on brushes." Read more

"Covers well with little paint. Easy to use. Painted a kayak rack. Need to wear gloves though." Read more

45 customers mention35 positive10 negative

Customers like the washability of the auto accessory. They say it dries to a wet look finish, a smooth as glass finish, and a hard resin type finish. Some mention that the paint is watery when they work with it.

"...(larger projects need roller) and I'm amazed - it did indeed dry to a rock-hard finish and brushed on easily - including the rusted caps on the..." Read more

"...stuff ever for painting over a rusted but now clean surface, dries hard as concrete...." Read more

"...This paint applys very thin but dries fairly thick leaving a hard glossy shell that was a nicer finish than the powder coat on the trailer!..." Read more

"Not only does it stop metal from continuing to rust. It dries almost like a two part paint. Real durable." Read more

35 customers mention26 positive9 negative

Customers like the adhesion of the auto accessory. They mention that it sticks extremely well, stays on very tough stuff, and never comes off. Some say that it helps to keep grass from sticking to the deck. Overall, most are satisfied with the product's adhesiveness.

"This stuff sticks extremely well if you prepare the metal...." Read more

"...Wear gloves, it is also impossible to get off your skin its so good, LOL" Read more

"...Stick to any surface and matched my car's black paint and shine perfectly." Read more

"...stars because a few of the more rusted areas I still have doubts about long term adhesion...." Read more

59 customers mention41 positive18 negative

Customers have mixed opinions about the paint quality of the auto accessory. Some mention that it's excellent, easy to use, and a little goes a long way. However, others say that it is extremely thin and requires multiple coats several hours apart.

"...It is nice that you can paint over prepped bare metal or rusted surfaces...." Read more

"easy to paint on u got follow clean steps frist it mess to wear gloves it’s really messy but work great look great when done it covers alot area" Read more

"...MAKE THE CAN STRONGER. The can is made out of some kind of awful thin metal and I struggled for ten minutes trying to pry it open without covering..." Read more

"Covers well with little paint. Easy to use. Painted a kayak rack. Need to wear gloves though." Read more

Self leveling. Little bit goes along way.
5 Stars
Self leveling. Little bit goes along way.
Don't worry about the quality of brush you use. This stuff is thin and even if you leave brush marks it will self level and make an even coat. All the pieces in my pic were painted with a chip brush and some blue masking tape.Things to keep in mind when using por15.(1).If you plan on not using the entire can make sure you ether don't get any on the lip of the can (if you do, DO NOT reuse the tin lid it will glue on to the can) or use a different method to seal the can. I used masking tape (picture) but you can also use plastic wrap and a rubber band.(2) Go slow and spread it out. This stuff is very runny. Take care of runs/drips on the bottom of your project and don't worry about brush marks. Runs on the bottom will make this like bubble filled large drop you can cut off with a razor blade.(3) :VERY IMPORTANT: Seal your can when ever not in use. You only have a limited time while the can is open to get it on. The time limit is long but if there is any gap for air to get in the can while it sits on the shelf it will set off in the can. Also when dipping your brush slightly stir the paint that seems to help keep it in solution longer.Good luck to you.Update: 6/1/21 This product (Silver color) Is yellowing not in direct sunlight. I have my frame painted in this POR 15 and under a tent in my driveway. After a few months of being applied it has started to look dinggy with a yellow tint to it.
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Top reviews from other countries

C J
5.0 out of 5 stars Percent
Reviewed in the United Kingdom on January 15, 2022
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C J
5.0 out of 5 stars Percent
Reviewed in the United Kingdom on January 15, 2022
Used this as I was replacing my splash backing plate as the original ones after 18 years and rust got the best of them. So thought this would do the trick as someone recommended it and it’s scratch proof for stone chips so hopefully it will outlast the last set
has a nice shine too it.

Would put it on fine rather the slap it on
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One person found this helpful
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Antonati
5.0 out of 5 stars Great stuff
Reviewed in Canada on November 18, 2023
Damian laverty
5.0 out of 5 stars however this stuff is amazing be sure and properly clean and prepare the base ...
Reviewed in the United Kingdom on April 22, 2018
One person found this helpful
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ScottR
5.0 out of 5 stars Excellent for protecting rust prone areas
Reviewed in the United Kingdom on January 16, 2016
11 people found this helpful
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Jacob & Selam
4.0 out of 5 stars Great product, comes down to coverage.
Reviewed in Canada on March 19, 2024
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Jacob & Selam
4.0 out of 5 stars Great product, comes down to coverage.
Reviewed in Canada on March 19, 2024
Do your best to prep everything as noted on the can. You need the prep products as well. I'd recommend buying an extra can, as I almost ran out on the truck frame.

Make sure to wear a painters style suit, including face and gloves. I've never had any product stick to me like this. It took over a month to wash off. It was quite insane.

I wish there was a spray version, for the hard to reach areas, and the U frame channels that are notoriously bad on tacomas.

One year later, only have rust spots on stress that were missed, the product seems to have done great.

Por15 advised undercoating spray 1 month after application, I'm now doing 2x a year.
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