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aluminum paint aluthane



You won't find this product, or products like it, in a general purpose, mass market, consumer, DIY, box store or flashy marketing company website.


Our moisture cured urethane (MCU) aluminum filled paint (ALUTHANE) has lots of applications. These include bridges, tanks, docks, and even wood decking around homes. It is an excellent sealer and an attractive silvery interior and exterior coating. MCU coatings are often used when 'by the book' surface preparation cannot be done.


Best Aluminum Paint and Metal Boat Repair Coating



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"Hi Paul,-- We have been using the Aluthane product for 6 years now and it has been a blessing for our business." (11/14)


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Good Afternoon Paul,

Just wanted to send a note that you should share with new customers about the ALUTHANE product that you recommended for a project I was bidding. I was approached about repainting the loading dock diamond plates at an overnight package service terminal. The original paint was only a little over three years old and the plates were very rusty and showing extensive wear. The customer would be an important add to my client base so I wanted to make them happy with our first shot. I originally contacted you about using an epoxy coating but you strongly suggested the Aluthane moisture-cure urethane as the best solution. You couldn’t have been more correct. After following all the necessary preparation steps, we applied two coats of the Aluthane to all the surfaces, including areas that we just couldn’t surface grind or effectively reach. We did power-wash and dry all the surfaces but that meant some spots may still have surface rust that would be painted over. To see the final results, you’d swear that we installed new plate material rather than repaint it. It is just that good! The stuff is bullet proof!

Thanks again for helping to make us look so good!  --  Bill -- AXXB Construction Services, LLC  11/17

Our moisture cured urethane (MCU) aluminum filled paint (ALUTHANE) has lots of applications. These include bridges, tanks, docks, and even wood decking around homes. It is an excellent sealer and an attractive silvery interior and exterior coating. MCU coatings are often used when 'by the book' surface preparation cannot be done.

See our page on aluthane (tm)  - finds links on ordering here too.

The thin Aluthane aluminum paint will often seal leaking rivets (may take several applications) and give the boat a fresh new boat look. See example below.

It the boat needs more than a sealing and priming coat of Aluthane to fix thin spots and leaks, we recommend our CM 15 epoxy paint. CM 15 is a flexible epoxy with excellent bonding. Most aluminum boats flex and most epoxies are hard and brittle. CM 15 was designed for flexing metal. Use it with fiberglass cloth and then topcoat with Aluthane.


What is an MCU Coating? 


MCU stands for Moisture Cured Urethane and makes a very superior high performance  coating. These are a unique type of coating much better known in commercial industrial painting circles than within the general public market.  Most MCU coatings use tiny aluminum flake as pigment which gives them their classic silvery/gray color and enhances their remarkable properties.

MCU contain lots of solvents which aids in penetrating tiny cracks and crevices. The coating scavenges moisture from its contact surfaces and the air and undergoes an cross-linking molecular process which 'grips' or grabs onto surfaces for outstanding adhesion, even with poorly prepared surfaces. Removing internal surface moisture removes one of the key components necessary for rust development.

The resulting dry surface (aided by the stacking aluminum pigment platelets) provides a physical barrier to air and oxygen, another necessary component for rust to form.  The result is a thin, hard coating that seals our air, water, salts, minerals etc.  essentially encapsulating the surface  It therefore is one of the best, easy to apply, rust and corrosion control coatings.

Its amazing adhesion results in a versatile coating well suited for use on steel, aluminum, concrete, fiberglass, wood etc. It can be used as a primer/sealer, a middle coat or a exposed as a topcoat. The aluminum pigmented versions have no UV issues, can be applied at low temperatures and operate at temperatures of up to about 400 degrees F. Besides being used as a rust stopper is also has applications on  boats, roofing and flooring applications. In is used a lot in the industrial, automotive, marine and farm marketplaces. The AUTO RESTORATION market is one place these coatings are widely promoted within the 'DIY home' marketplace.

One of the major differences with our Aluthane MCU and other aluminum MCU coatings is that we use 100% urethane resin and all (or just about everyone else) thins or dilutes their urethane resin so that the end product is less than 100% urethane resin and aluminum. The difference with these cost cutting/profit enhancing measures is a product that just doesn't perform or last as long as our pure resin system. Over time the differences are easy to observe and I have actual customers that have tried the competition, but then come back to our Aluthane MCU.



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Below are pictures and comments from actual Aluthane users.

They think it is the best paint for aluminum boats.


ALUTHANE aluminum moisture cured urethane

A favorite with the trailer and Tear Drop Trailer communities



More Info --- Buy Aluthane (non epoxy section)

"A very pleased user of Aluthane and your epoxies" (primer on old cars)

 Craig - Houston, TX - Oct. 2016

This product is featured on the website

Hi, The Aluthane is incredible, I used it on an old aluminum canoe and it is the best coating I have ever used. I will be using it on a very beat up aluminum boat I just bought.
Thanks Vinny



moisture cured urethane

Learn More - The Aluthane Page

Before Pictures

After Pictures

Aluminum boat restoration with Aluthane Aluminum Paint

Aluthane (tn)  Bathtub

"Paul, you sold me some Aluthane aluminum MCU paint. We liked the color do much, we

used it as a primer and then as a finish coat. Here's a picture. It looks great." Gary 12/15


READ more on ALUTHANE - aluthane has its own web page in addition to this aluminum paint page


"Hello, I have used Aluthane to coat machinery and think it’s a marvelous product."


Hi Paul, I was working on the boat today and couldn't help but notice how sharp my aluminum hardtop (still) looks after a very harsh summer of hard work on the salty ocean and a long New England winter exposed to the elements.

I remember the day I finished welding my hardtop and sat baffled as to how to finish it. You see, the hardtop frame was comprised of a half cut-up Mako tower (anodized aluminum) and scrap 6061 aluminum, all TIG welded together. With little to no prep, aside from a light sanding and a wash with alcohol, I was able to brush on (stippling) two coats of Aluthane in a day and have the boat launched a week later. Since then, the frame has seen rope chaffing, scrapes, climbing crew with abrasive sandy shoes, and harsh sun and seawater. The finish has never worn through and shows no signs of damage.

It has held up marvelously. So well in fact, I go out of my way to find things to paint with Aluthane. So far, I've painted my engines heat exchanger, primer my manifolds and risers, painted parts of my galvanized trailer including the wheels, and various mixed metal hardware on my boat.

We really appreciate you visiting PROGRESSIVE EPOXY POLYMERS, INC. and our web site: EPOXYPRODUCTS.COM.  Take advantage of the CONTACT links on this page to ask questions about our products and/or your projects. You can stay in touch with us via our NEWSLETTER (link on our contact page) which is emailed  every 6-8 weeks.

WOW!  35% - 40% of all daily online or telephone orders are from existing  customers. That's an amazing 'REPEAT CUSTOMER" number.


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Best Aluminum Paint and Metal Boat Repair Coating


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(customer review) "Many aircraft paint systems use finely powdered aluminum as a blocker, and this is a proven technology. The paint must stick well to dacron, retain good flexibility for many years, and generally be a tough coating. It should seal the fabric, reducing any airflow (air leakage) to a minimum.  In my experience Aluthane meets these requirements.

Aluthane wets out on dacron beautifully. It penetrates and seals, too. I made up a 18" x 20" test panel and stretched 2.7 oz aviation fabric at 300F.

I had Aluthane on a dacron outdoor test panel for five years. It was still in good condition after five years, and continued to adhere well. I flew an airplane for four years with the Aluthane topcoated with Polyfiber Bahama Blue. Both the Aluthane and the topcoat remained flexible.

Aluthane also appears to stick like crazy to both aluminum and fiberglass!" email - 10/14

"Hi Paul,-- We have been using the Aluthane product for 6 years now and it has been a blessing for our business." (11/14)

Order this product by calling 603-435-7199 anytime or order online using this link to our Primary Web Store:  EPOXYPRODUCTS

Tom wrote (10/2008):

Thanks Paul; here are a few comments on the Aluthane.

I was looking for a product to use on the 4" steel pilings on a newly constructed boat house. I wanted to extend the life of the piles and the overall structure since the boathouse cost roughly $50K to build. Aluthane was recommended. At the time, the water was down around three feet from normal pool so I was able to paint roughly 4 feet of the piling that was exposed. For prep, I used a simple paint scraper to smooth off the rough, loose rust and then a wire brush. I did not put a lot of effort into preparation. Total prep time per piling was no more than 3-5 minutes. I used a 3" roller and rolled the Aluthane on. Again, very simple and quick.

From comment section of 6/2010 online order for 1 gallon of Aluthane: "Returning (vendor note - a past customer). Spiral stairs near ocean. Wonderful coating that resists corrosion."

John (2/16/2012 email): A Wonderful Product!! Love Using It For A Little Of Everything!!! Proud To Buy American Products!!

My first experience w/ Aluthane was on my 1966 Starcraft boat....then with the left over quart I did the main door on my garage.....after that....I still had enough to apply a coat onto my rear bumper of my F250. This time around.... I used 1 quart again on: The in and outside panel of a retired U-Haul Truck (33 5/8 in. x 6 1/2 ft).....all the interior wall panels of the box truck (it's a 14 ft. box with grandmas attic)....and a 80# saddle propane tank. It's been an average of 28* up here for a high and it applied beautifully.....drying time is slower (I expected this)....but it coated just as smoothly as if it was 75* and sunny.

I totally agree.....b4 I crack a 1 quart container....I make sure I have enough things to coat so I don't hafta waste it in the garbage. I've been telling as many people as I can about Aluthane (and about you guys and galls).....telling them what I've been using it on and how nice it looks...and how smoothly it helped water proof my 46 year old boat and with a teeny bit of help from Marine Goop. My boat flows so smoothly through the would have never guessed that it leaked pretty good b4 the Aluthane and Goop.

I just hope and pray that this Economy and World Govt. doesn't shut you guys and gals down. That will be a VERY VERY SAD DAY for all the DIY's and commercial and industrial accounts you deal with on a regular basis.

Keep up the WONDERFUL WORK!!! Love the product so much!!! OMG.....I wanna coat everything exterior with it.... LOL. But seriously... when I get a chance.... I will be using the 1 Gallon Aluthane to do both of my porches. Have a great day and year. And blessed be us all.






Basic MCU properties

* minimum surface prep required (so common on structures and objects hat cannot be sandblasted etc.)

* easy to apply - thin, with good coverage

* fast drying

* long life (some vendors claim 10-20 years of performance)

* very good chemical, temperature and abrasion resistance

* replacement for galvanized surfaces and other environmentally damaging zinc rich products

* contains no dangerous lead, zinc, chromates, or heavy metals



aluminum paint

before aluthane aluminum boat paint


after aluthane metallic paint

Hello Paul; Thank you for the prompt response!

This aluminum boat was given to me several years ago and originally used in saltwater for many years. It did have very worn paint on the outside of the boat. It looked pretty bad, and so it sat in my yard until last year when I sent an email to ask your co. what you might recommend that would be a 'quick fix' that might help plug some of the minor leaks. I also mentioned that I would only be using the boat in 'fresh' water.

All I did was to power wash it and use several sticks of 'Bondo' marine epoxy sticks to repair some of the rivets that had eroded from the salt water use and had major leaks. I had only put one coat of Aluthane on last year, with the intention of putting on another one this year. I was amazed at how nice it looked after putting on the Aluthane with a small roller and brush. Also, was impressed with how well it sealed the small pinhole leaks that were evident all over the bottom. Several neighbors thought that I had bought a new boat when they saw me on the lake last summer.....



Commercial vs. DIY MCU Coating Products

Given the outstanding and time tested  performance and properties of MCU coatings in serious commercial setting it is not surprising that companies have attempted to move this product into the DIY/Home-Boat Owner market.  This market is less knowledgeable and will accept lesser quality and overpriced MCU coatings compared to the commercial/industrial marketplace.

Warning Flags:

* Very slick web sites that suggest their product is unique and one-of-kind and that you cannot find anything even remotely similar. Some sites really play up MCU chemistry, others hide it, thus implying how 'magical' and special their standard MCU coating is.

*  Fancy product names and colorful labels that suggest a Madison Ave focus rather than no-frills commercial roots.

* Prices in the $150-$200 a gallon range. No MCU coating  is that expensive to manufacture, especially for large companies. These folks are making $100 plus profit per gallon from you (with 'discounts' and 'free shipping' making hardly a dent in their profits). No commercial user would pay these outrageous prices for a gallon of an industrial coating.

* Check product coverage. These are thin products, due to their chemistry they don't need to be thick. But the general public usually thinks thicker is better. The thicker the product the more you use and the more you will have to purchase (at those extremely high prices). If coverage numbers are given make certain they are real life numbers and not "theoretical coverage" numbers. The theoretical coverage for 1 gallon of water at 1 mil thick is over 1600 square feet.

* One thing that cannot be easily established, but should be lurking in the back of your mind is the polyurethane resin used in the manufacture of the coating. Top-of-the-line, commercial/industrial MCU coatings, like our Aluthane product, use 100%  polyurethane resin. MCU coatings can be manufactured with diluents and other low cost additives to reduce the amount of polyurethane resin in the manufacturing process (like adding water to the whiskey!). The result is still a good MCU, but not a great one and not one formulated for maximum performance, but rather for better profits. One of our 'regular'  30 gallon a month Aluthane MCU customers stopped purchasing for about 5 months, presumably testing alternative products. They returned to us most likely because of the higher purity/quality and reasonable price of our Aluthane (tm) MCU.



READ more on ALUTHANE - aluthane has its own web page in addition to this aluminum paint page




Moisture Cure Urethane Aluminum Paint Primer / Finish Product Description

Progressive Epoxy Polymers Moisture Cure Urethane Aluminum Primer / Finish (Aluthane™) is a single package High Performance Coating designed to give you unsurpassed performance over hand tool cleaned, marginally prepared surfaces.


Moisture Cure Urethane Aluminum Primer / Finish Product Features

For all types of surfaces, steel, weathered galvanized steel, (anti corrosive)  aluminum, select plastic substrates, wood, concrete,
Fast recoat 1 - 2 hours
Cures down to 18 Degrees F.
Excellent wetting over sound rusty steel
High Heat up to 400 Degrees F
Single Package, easy to use
May be top-coated with most coatings
Excellent barrier coat for Epoxies and Polyurethane Coatings



Moisture-cured urethanes were designed to protect steel from corrosion. Progressive Epoxy Polymers urethane aluminum formulations originated in Germany and were brought to this country in the 1970s.

These coating systems are known for their adhesion to steel and good abrasion resistance. This coating material consists of a single resin component that forms cross-linking polymers through a reaction with moisture from the air.

Progressive Epoxy Polymers urethanes offer convenient application properties. It come in single packages and has longer shelf and pot lives than most other coatings. In addition, these fast top-coaters have low-temperature and high-humidity application properties.


Using Aluthane (aluminum filled) Moisture Cured Urethane

as a Primer on vinyl and wood (GOTO primer page)

aluthane mcu

Above - Old, dirty self stick vinyl floor tiles in work shop (light color on bottom) covered with

new "woody" self stick vinyl  floor tiles after a primer coat of Aluthane over the old vinyl tiles



aluminum paint

Aluthane aluminum paint / sealer works on plywood panels too!-

above - side panels of mini tear-drop trailer

below - trailer being assembled

trailer painted with aluthane

Order this product by calling 603-435-7199 anytime or order online using this link to our Primary Web Store:  EPOXYPRODUCTS


Aluthane has its own web page in addition to this aluminum paint page



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Stay for the pictures

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ALUTHANE  is a top selling product for us (don't take our word on Aluthane - Bing/Google it and see what others say), but we are also well known for marine epoxies (especially Basic No Blush marine epoxy) - epoxy floor paints (generally solvent free Industrial Floor Epoxy) - and pour-on bar top and table top clear epoxy (Bio Clear 810). Follow the links above to learn more.



Aluthane as a primer under a VERY HIGH END FINISH - (user notes)

Mon, 24 Nov 2003 18:42:56 -0800
From: Cal <>

"The brush marks from the brush application of the Aluthane put me off and I had to cover them before the Aluthane got to maximum hardness. The job is done now, and a nice finish, but I have a few observations for top coating to a glossy finish that I would like to share. I did my bench top a month ago, and it is different by a LOT from the boat coating I saw happening.

The Aluthane needs to be rolled on, and not brushed to flatten out well. I used a phenolic core 9 " by 1/4 " nap foam roller, 3/16" would be even better for a lot less texture than the brush streaks that were left. A good smooth roll down my bench top (or hull) faired everything in well.


What others on the internet say about ALUTHANE





Inside Our non-marine, commercial, DIY Catalog:


corro coat FC 2100; water gard 300; CM 15; crack coat™; liqua tile 1172 potable water; water prime

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water bond (water based); industrial floor epoxy; bio vee seal; walnut shell; rough coat grit filled epoxy floor paint; epoxy clear top resi


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low V epoxy; basic no blush; ESP 155; Bio-Clear 810; epoxy clear top resin

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Aluthane moisture cured urethane; Acrylic Poly UV Plus and other 2 part polys ; Capt. Tolley's creeping crack sealer; india spar varnish;

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