I'm going to do a small repair on my board, the ding size is about 4cm x 8 cm. The area is a brightish red. I get the idea of colour matching when spraying, in that you start with a close colour match and then fade it out. However, if I'm brushing on a paint, what are the chances of getting a decent colour match? If the "match" will always be off, maybe it doesn't make sense to even try.

I actually do have an HPLV spray gun but I think that would require a significant amount of paint and that would be wasteful. Having said that, it's been probably 10 years since I've used it so maybe it does work with small quantities. If you're familiar with HPLV sprayers, let me know. I've only used it for spraying 2 part polyurethanes.

Finally, if I do try to colour match does anyone have any tips? I think I would be using automotive paint? The only idea I have right now is that I would get a bottle of bright red and then mix some white into it to get something close. Maybe I would also need to add another colour like an orange. As you can probably tell, I've never done this before. I don't even know where I would get this paint...

You could go to lordco and get a spray can made in your colour, is it a custom board, could Roberts get you the paint code

I have used acrylic paint from a hobby store on a JP Magic Ride 2016 model year board, works good, just get red/green/blue paints at ~1$ per 1 oz bottle, or two reds that bracket your red (the easiest way) and then mix on a piece of plastic to get an exact color match.

I went to an automotive paint shop, they have sheets of base colour with slightly varying squares with a hole so you can lay it over your paint. They made a jar of touch up and a spray can for about $40.

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Hydrosurf said..
You could go to lordco and get a spray can made in your colour, is it a custom board, could Roberts get you the paint code

I think I could get some paint from Rob, but I'm also interested in learning how to do this. I suspect this red would be hard for me to match, it's a pretty deep, rich colour that he has made. Thanks for the tip on Lordco.

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Sandman1221 said..
I have used acrylic paint from a hobby store on a JP Magic Ride 2016 model year board, works good, just get red/green/blue paints at ~1$ per 1 oz bottle, or two reds that bracket your red (the easiest way) and then mix on a piece of plastic to get an exact color match.

Do you then put some kind of clear coat over the acrylic paint?

You might like to try one of these things - an art blow sprayer.

articci.com/shop/mouth-spray-atomiser/?gclid=Cj0KCQjwgMqSBhDCARIsAIIVN1UxdEtTt7udWYx3UV8fXJCBnuuR8MmFtx6S8GmzKUNHcJpRTNXscagaAq7-EALw_wcB

It might be a bit spotty though.

If its a gravity fed HVLP gun you can spray with very little, I often put only 30mL in my 600mL pot (1.3mm tip)

What size is your gun?

If you have a gun I don't know why you'd consider any other method.

matching yourself is well nigh impossible the first few tries and that is where you WILL use too much paint. Go to wherever the auto guys go to get 2K paints and they will match. Then you're right, fade out with increasing thinners

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shmish said..

Sandman1221 said..
I have used acrylic paint from a hobby store on a JP Magic Ride 2016 model year board, works good, just get red/green/blue paints at ~1$ per 1 oz bottle, or two reds that bracket your red (the easiest way) and then mix on a piece of plastic to get an exact color match.

Do you then put some kind of clear coat over the acrylic paint?

No, the Magic Ride had a sanded finish like most newer boards, so no need for a clear coat, it matched perfect could not tell from the paint color or shine that there was a repair.

If you actually mean acrylic like what kids use for painting on paper, it would offer no protection and not be durable. I'd rather use a quality paint and not match it (like black square or white line etc, something that sorta looks like the general design)

Acrylic lacquer (old school auto paint) yes
Water based acrylic art paint ewww please tell me you didn't...

Given you said hobby store I'm guessing lacquer based acrylic right..?

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Mark _australia said..
If you actually mean acrylic like what kids use for painting on paper, it would offer no protection and not be durable. I'd rather use a quality paint and not match it (like black square or white line etc, something that sorta looks like the general design)

Acrylic lacquer (old school auto paint) yes
Water based acrylic art paint ewww please tell me you didn't...

Given you said hobby store I'm guessing lacquer based acrylic right..?

All purpose water based satin acrylic paint, used on deck, nose, and on bottom of board, never wore off the Magic Ride which I sold, and same for Bolt which I still have, really sticks good to Devcon 2 Ton epoxy and to the OEM sanded finish paint on the boards. Says water resistant, but it has been water proof on the boards in salt water.

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shmish said..
... ...
Do you then put some kind of clear coat over the acrylic paint?

I wonder about that - years ago I did some small repairs and painted then put glass/resin over the top. I think I used those tiny little hobby paints (oil based) that were for painting model airplanes etc... Color was "ok" but it was very small dings. I do wonder if some paints would "react" to the resin and cause an issue.

I would have thought paint on the surface would come of pretty easy but havent tried that.

Can you tint resin with paints or do you need "special" pigments to color the resin itself?

You can't tint resin with paints. They're completely different products. You can tint resin with pigments but you will have a very difficult time matching the colour and consistency of a painted board.
For the job the original poster is doing I think the best option would be to have the colour eye matched in automotive acrylic at a good paint shop and put into a spray can. The can should be about $30.00 and they might charge you a few bucks for the eye match.
You could have a go at matching it yourself but you'd need to buy a few different colours and you'd end up with a lot more paint than you need.

Cheers, Hoops

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hardpole said..

shmish said..
... ...
Do you then put some kind of clear coat over the acrylic paint?

I wonder about that - years ago I did some small repairs and painted then put glass/resin over the top. I think I used those tiny little hobby paints (oil based) that were for painting model airplanes etc... Color was "ok" but it was very small dings. I do wonder if some paints would "react" to the resin and cause an issue.

I would have thought paint on the surface would come of pretty easy but havent tried that.

Can you tint resin with paints or do you need "special" pigments to color the resin itself?

I used water based acrylic paints, they did not react with anything and were easy to color match, and color did not change after drying.

I have tinted epoxy, go to a paint store and ask for 1/2 oz or less (minimum amount they can dispense) of pigments that bracket or combine to make your color, then mix into a slow setting epoxy to get the right color. Takes very little pigment to color epoxy for a small repair. I first mixed two different pigments into two separate small amounts of epoxy, then took small amounts of those and mixed into untinted epoxy.

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Mark _australia said..
If its a gravity fed HVLP gun you can spray with very little, I often put only 30mL in my 600mL pot (1.3mm tip)

What size is your gun?

If you have a gun I don't know why you'd consider any other method.

matching yourself is well nigh impossible the first few tries and that is where you WILL use too much paint. Go to wherever the auto guys go to get 2K paints and they will match. Then you're right, fade out with increasing thinners

I have an older version of this system: fujispraysystems.com/q4/ Not gravity fed.
Maybe I'll search for videos and see if I'm up to the job. If not, I can disguise the repair as a feature. Paint a nice white oval and put my initials on it in black.