How To Fix Burn Through On Clear Coat
08-12-2013,03:45 PM #1
Director of Training 
Clearcoat Burn Through - How to tell? Missing Clearcoat Strike-through
Clearcoat Burn Through - How to tell? Missing Clearcoat Strike-throughOnce in a while someone will either burn through their car's clear coat while buffing or purchase a car that has burn-through spots.
The question posted usually goes something like this,
How can I tell if I've burned through the clearcoat?Or
How can I tell if the clearcoat is gone?Here's how...
We had a 1995 BMW 325i here last Friday for some projects and after inspecting the paint I found two places where it looked like the clearcoat was missing.
Here's the BMW
This is the passenger side door, just in front of the front winder and just behind the edge of the front fender.
This is the top of the driver's side fender, at the very back of the fender...
How to Test and Confirm
Carefully take some polish that is white in color, in this example I'm using Pinnacle Advanced Swirl Remover.
Take a white applicator pad, this is one Meguiar's sells. Next carefully rub a little polish over the affected area. Turn your applicator pad over and if you see the color of the basecoat on the applicator
or this confirms you have burned-through the clearcoat and exposed the basecoat.
If the car is still to be buffed out, then mark the thin areas so you don't buff on them.
3M Blue Vinyl Tape
You can see how I've gently placed a few strips of 3M Blue Vinyl tape surrounding the burn-through or what they call strike-through on the other side of the pond.
How to care for and/or repair
If you have in fact burned-through the clear layer of paint and exposed the basecoat layer of paint immediately STOP any further buffing of this area.
If you've purchased a car and discovered burn-through spots, mentally take note of these areas and avoid buffing on them in the future.
More and more buffing of a area that is burned-through will remove more and more clear paint and make the spot grow and grow.
The only honest repair for clearcoat burn-through is to have the area repainted.
If the cost of having the area repainted outweighs the value of the car for your interests, the next best thing you can do is keep the area clean and coated with some type of protection. My guess is a paint coating would be your best bet.
Resources
Pinnacle Advanced Swirl Remover Meguiar's Microfiber Applicator Pad 3M Blue Vinyl Tape - 1/4"3M Blue Vinyl Tape - 1/8"Detailer's Paint Coating Optimum Paint Coating
08-27-2013,10:15 PM #2
In time out
Re: Clearcoat Burn Through - How to tell? Missing Clearcoat Strike-through
Thought it was interesting that there were no replies.I suspect we are all too scared to think about it.
08-27-2013,10:24 PM #3
Junior Member 
Re: Clearcoat Burn Through - How to tell? Missing Clearcoat Strike-through
I was looking at a Mazda Miata and the owner insisted that it was only dry polish. I shook my head and said No it's not!
08-27-2013,11:32 PM #4
Super Member 
Re: Clearcoat Burn Through - How to tell? Missing Clearcoat Strike-through
Why not spray a couple layers of clear, wet sand, and buff?. Another forum member did it with great success.
08-28-2013,12:02 AM #5
Super Member 
That is always an option. I have done it myself and have also had great success. However, in order to do it right, you have to, at a minimum, clear the entire panel.
Originally Posted by anonymoususer
Why not spray a couple layers of clear, wet sand, and buff?. Another forum member did it with great success.
While there are some awesome products out there that make it 'possible' (for anyone with the time, patience, and skill) such as factory-matched paint as well as 2K clear in an aerosol, the idea is to prevent it in the first place.
It's "use the least aggressive method to get the job done", not "use the most aggressive method because you can always repaint it yourself".
2013 Honda Accord Touring - Crystal Black Pearl/Black
08-28-2013,12:55 AM #6
Super Member 
Re: Clearcoat Burn Through - How to tell? Missing Clearcoat Strike-through
That would be my first instinct as well, get a can of clearcoat and cover the exposed area. I am not sure how good the result will be but It must be better than a super thin layer of basecoat exposed to UV light, air and weather.
08-28-2013,05:13 AM #7
Super Member 
Clearcoat Burn Through - How to tell? Missing Clearcoat Strike-through
I'm pretty sure I have a dime size area of strike through on my 01 Pathfinder. The paint is pretty thin (in the 70 um area), and its on the tailgate. It happened about a year ago. I've just kept it waxed and there has been no change. Its only a small area.I've kept area from any type of "at home" repair because I figure it would look pretty bad if I did it - I have no talent with anything involving paint. If it gets worse, I'll just pony up the $ to get a proper re-paint.
08-28-2013,06:25 AM #8
Director of Training
Re: Clearcoat Burn Through - How to tell? Missing Clearcoat Strike-through
Why not spray a couple layers of clear, wet sand, and buff?. Another forum member did it with great success.
I agree a person can do this. The car in the picture isn't mine and the customer didn't want to pay for the time, material and labor to do this kind of repair. So your suggestion is good for the owner of a car with this problem that is willing to put the time, investment and labor into their own car or pay someone else to do it.The owner of the above car was tickled pink to get their car back with the swirls, oxidation, above surface contaminants all removed and a shiny black paint job. All of a sudden a couple of blemishes just didn't matter.
See it here...
Sneak Peek: Testing A New Compound
09-01-2013,02:47 PM #9
Junior Member 
Re: Clearcoat Burn Through - How to tell? Missing Clearcoat Strike-through
I just bought this car 3 months ago, and after clay and putting some sealant on it I noticed these milky spots
Now, I tried the paint transfer test with a Hex-Logic white polishing hand applicator pad and some Swirl X. The Swirl X got rid of a lot of the scratches I caused from aggressively rubbing over the white streaks with a microfiber towel last night, but no paint transfer. The scratches also looked as if they were sitting on top of the spots, and these milky things are underneath the clear -- if that makes any sense...
It's a 2013, bought with 12 miles on it and I haven't done anything to this paint since I purchased it in June; besides it's first clay and sealant last night. I'm worried that when they "detailed" it the day of purchase someone burned the clear.
If this happens to be burned paint any educated guesses on how long can it last before it starts to get out of hand, and resale value goes way down? Will just taping off these sections -- when I decide to bite the bullet and use my PC --and waxing etc be sufficient to slow down this progress?
09-01-2013,03:34 PM #10
Super Member 
Re: Clearcoat Burn Through - How to tell? Missing Clearcoat Strike-through
Sometimes those milky spots on new car are from moisture getting trapped under the shrink wrap and it will give that appearance. Take a hair dryer or heat gun and gently warm the areas being careful not to melt the clear coat. This is what we have to do at the VW and previously at the BMW dealer I worked for.
2011 Compass Latitude Bright Silver/ 2017 Nissan Rogue SV AWD Premium Glacier White
REFLECTIVE IMAGE DETAILING
How To Fix Burn Through On Clear Coat
Source: https://www.autogeekonline.net/forum/ask-mike-phillips-your-detailing-questions-/68971-clearcoat-burn-through-how-tell-missing-clearcoat-strike-through.html
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