Using RAPTOR for your Restoration

If you have been searching for a product to protect your project after spending hours making it good again, look no further than U-POL RAPTOR. A practically bullet proof coating originally designed to be used on pick-up truck beds, it’s found a whole new fan base with restorers, thanks to its flexibility and ability to be tinted any colour you like.

To see how you can use this great product to your advantage read on. These photographs were taken for us by former Heritage team member James, during his Beetle restoration.

Starting all over again

After a Heritage training day spent at U-POL learning all about RAPTOR, James just had to have it. The next day he took some abrasive paper and pack of scotch pads to his freshly finished floor pan, and repeated the process again; except this time he went to town on it!

A word of warning…

A few words of warning before you run straight into the workshop and cover yourself in the stuff. IT’S NOT DESIGNED TO COME OFF, EVER….So wear old clothes / paint suit. Wear gloves. Cover anything you don’t want to be chiselling or grinding RAPTOR off from, and once you have finished applying it quickly strip your spray gun down and soak it in thinners to get it clean again. Oh, and wear the appropriate PPE, and paint in a well ventilated area… honestly you don’t want it on you!

Mix and shake it

When mixing up the RAPTOR on the bench with the necessary amount of hardener, James added about 10% thinners to allow it to pass nicely through his HVLP spray gun to create a smooth finish. With the compressor set at 2.0 Bar (30 PSI) the finish is not dissimilar to powder coating.

Smooth finish with HVLP

With James’ Beetle chassis in a state of undress, he applied black RAPTOR to the central spine section with his HVLP gun, giving it a smooth finish. He’d picked up a HVLP (High Volume Low Pressure) gun on eBay for about £20 which was more than adequate for the job in hand.

Masking is key, do it well!

Keen to keep the smooth finish of the spine preserved it was crucial to mask this area off before tackling the textured finish on the outer pan halves. He’d chosen to do this as the pan areas come under more stress from stones, salt, water and everything else that we encounter whilst driving.

Note the masking tape on all bolt holes, threads and clean mating surfaces. Any over spray will require opening back up / cleaning off with a blade ASAP.

Thick and fast

The pan halves have been treated to a thicker more textured coating using a standard U-POL RAPTOR application gun (or you could use the U-POL vari professional gun). This method is even easier than with the HVLP gun. Simply mix the hardener to the RAPTOR, shake it up and screw a RAPTOR application gun (Shutz gun in old money) to the top of the RAPTOR bottle. The recommended airline pressure for this method is around 4 bar / 60 psi.

It’ll show the rest up

Once you have started something like this bolting scruffy ancillaries back onto the chassis just won’t do. Having been assured that the product was more than up to it, James was keen to paint EVERYTHING else with RAPTOR too. Painted or scabby parts were taken back to bare metal with a knotted wheel and angle grinder. Please be careful: goggles, gloves, mask are essential. RAPTOR can be applied over painted surfaces if required,  providing the surface is clean and has been adequately prepared.

Primer suspect

Fresh onto the market (at the time of this project) was a world beating epoxy primer from RAPTOR. James had the pleasure of testing this before release, and needless to say he was well impressed. The spec on this stuff is amazing; it’s been tested to withstand more than 1000 hours of salt spray (before top coat) and it includes anti-corrosive additives to stop rust forming. You can find it on our website here.

A pile of painted parts

After  a few days of hard graft James was left with some super cool looking components, and an awesome looking chassis to bolt them up to. He even painted the Beetle gearbox; this was done direct onto the  magnesium case if you were wondering, rather then using the epoxy primer first.

The finished article

With everything bolted back up the overall appearance isn’t far from ‘stock’ with much the same result as powder coating but without the need to pay for a professional to apply it for you.

If you’d like to know more about U-POL RAPTOR then get in touch. Our sales team have been trained by U-POL in how to handle the product, and can advise with first hand experience how to get the best from it.

Heritage Parts Centre delivers quality parts for VW and Porsche enthusiasts worldwide. Check out our car parts website here and follow our fun with #driveheritage on social media.


  1. I do agree that this stuff is amazing, but I am surprised that you do not cover in more detail the safety precautions you need to take when spraying this 2k paint. It contains harmful in-organic gases that can seriously hurt you short and long-term and I feel that more emphasis should be covered in this article so people are aware of the risks.

    Based on the guide it does give the impression that anyone can just buy this and spray it in their home/DIY location without any further outlay. Can we please add details on the air fed setups required, or the filters that can be used to safely spray 2k paint at home or in a small garage setup where they do not have a professional spray booth?

    I want to keep people safe – anyone using Raptor should investigate for themselves the safety gear required to spray this paint. I have even visited several paint shops that give poor advice on the necessary breathing equipment that is needed to spray safely.

    1. Hi Tristan,
      We will seek advice from U-POL on their recommendations for this and add to our article as soon as we have it, in order to make it as comprehensive as we can.
      Thanks for taking the time to raise this issue, it seems it is something we have overlooked and of course we care for our customer’s safety.
      Best Regards.

  2. Thanks Andy. Based on my own investigations if you are not using an air fed mask, then using a full face with an ABEK2P3 filter will cover you (filters are normally limited to a lifespan of about 8 hours, but that depends on the manufacturer).

    I have had some paint suppliers recommend A2P3 filters, but these do not cover the inorganic gases that are created when using 2k paint.

    It would be good to see what U-Pol come back with, but as mentioned before the details above are just my findings and I suggest/recommend each person do their own due diligence on investigating the safe way to paint 2K. If in doubt be safe and take it to a professional – this paint, if used incorrectly, could cause occupational asthma.

    Love Raptor though – awesome product.

  3. Tristan and Andy,

    All SDS’s and TDS’ give advice on using/painting with RAPTOR along with any U-POL associated products and are available from our website

    We will also be furnishing Heritage Parts Centre with guidelines for best practice of using coatings so this will hopefully assist any potential users of RAPTOR.

    Safety of users and others around us primarily comes first in all cases before we promote our products.

    Thank you!

  4. Hi,

    I am also tempted to paint my gearbox with Raptor but wanted the check it is ok on items which go through a heat cycle. Will it eventually flake and peel? I cant find any info on the web about this.

    1. Hi Patrick, as far as we know there should be no issues with the heat generated by a gearbox.
      James no longer works with us, and we believe his car is still in the project stages so it hasn’t had a proper shakedown test but he was advised by UPOL RAPTOR staff that it should be fine.

  5. Epoxy Primers usually don’t contain Isocyanates in their catalyst. Generally they are safer than 2k high build primers and clearcoats. Depending on the country/state the regulations are different but a lot of US painters just wear half mask respirators in well ventilated booths. The masks do work for ISOs but they are negative pressure so the seal needs to be good and you don’t know when the cartridges need to be changed. I believe there are guides though to how long they last.

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