Reason I won't use a coating again

Jeremy1976

Jeremy1976

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So, I jumped on the coating wagon to give it a try. It was applied 4 weeks ago on my pearl white Lexus. We had one snow fall and cold temps here in Wisconsin in the last 2 weeks, and some road salt applied to the roads. After 4 weeks of having the coating on I already have iron deposits forming on the paint.

I specifically coated hoping to prevent these iron deposits. In spring the car will once again be peppered withem and a full detail will be needed including Iron X, clay, etc. Water beading and hydrophobic properties are great, along with the gloss to the paint, but really no different than a paint sealant like WGPS or Collinite 845.

I'm finding there is no "magic pill" that will prevent the iron deposits in Wisconsin. I think the combination of cold weather with the hot brake dust and iron coming off in winter really makes the deposits bond to the clear coat. I may look into a different type material of brake pads.

In closing I got the results that I expected. I figured the deposits would still occur. I was just surprised at how fast. The coating worked well at rinsing off the majority of road salt with a pressure washer and looked clean after. However, once doing a RW with WG you could clearly see the layer of grime that was still left on the car.
 
For fun try applying a carnauba wax on half of the panel (where you get most of the iron deposits...Im thinking the trunk) and compare after a couple of months which side has less iron spots.
 
I think it would help if you specified the type of coating, lots of people "coat" their rims to repel brake dust and that seems to work.
 
The downfall of light colored paint is the ability to see contamination. The trade off is that it is very difficult to see surface defects. So pros and cons to that paint color.

It seems your expectations were beyond what any product can do... particles will land on your car, particles will stick to your car, particles will need to be removed from your car... regardless of what has been applied.

As someone who has done a lot of coating testing over the past 4-5 years, I can personally say that the amount of bonded contaminates on a coated vehicle over time is much less than an uncoated vehicle based on my personal results. I wouldn't write off a coating just because it didnt prevent stuff from sticking to your paint. Remember, coatings provide a thicker, stronger, more durable barrier from the elements. The protection properties alone should be benefit enough for you to consider using coatings now and in the future. A little spot claying or IX treatment to remove some fallout is no real bother in the long run... if you never want to see it, buy a darker colored vehicle :)
 
Jeremy1976 said:
I'm finding there is no "magic pill" that will prevent the iron deposits in Wisconsin. I think the combination of cold weather with the hot brake dust and iron coming off in winter really makes the deposits bond to the clear coat. I may look into a different type material of brake pads.
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I agree 100%, but keep in mind that a coating is providing a sacrificial layer of protection (like a wax/sealant, but much harder and thicker) so the iron deposits / UV Rays / Etc do not cause harm to your clear coat. It may not be the "magic pill" that you're looking for, but the coating is providing much better protection than a wax or sealant would, especially for wheels.
 
When you say that the iron deposits are forming on the paint, do you mean that they penetrated the coating and therefore you have no more protection in that specific spot from it? If it went through to the paint, then yes that would seem like a waste. But at the end of the day if it's just stopping at the coating, it seems to be doing it's job. To me a coating is a longer lasting sacrificial layer than what a sealant or wax will provide IMO.
 
natewood70 said:
When you say that the iron deposits are forming on the paint, do you mean that they penetrated the coating and therefore you have no more protection in that specific spot from it? If it went through to the paint, then yes that would seem like a waste. But at the end of the day if it's just stopping at the coating, it seems to be doing it's job.
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There is really no (reasonable) way to know what is happening at this scale.
 
zmcgovern45 said:
There is really no (reasonable) way to know what is happening at this scale.
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Agreed that it wouldn't be an easy task to figure out exactly where the iron deposits were landing, but it could be done with the correct tool set in my mind if it was on hand.
 
natewood70 said:
Agreed that it wouldn't be an easy task to figure out exactly where the iron deposits were landing, but it could be done with the correct tool set in my mind if it was on hand.
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How%20Small%20Is%20A%20Micron.jpg


A coating layer is ~1-2 micron thick........ unless you've got some pretty ridiculous equipment I don't see how anyone could determine where the paint ends, coating begins, and coating ends.... but perhaps that is a topic for another thread.
 
Out of curiousity, what coating g dod you use..just a consumer coatings through here?
Prosumer elsewhere?
 
Agree with all of the above. I guess, as stated in my original post, I am surprised at how quickly they are developing. A coating should help reduce wash induced scratches and swirls so if I only get that out of it I will stick with it the more I think about this.

I regularly see customer vehicles where they have paid high dollars for dealership coatings guaranteed for 5 years plus. Only to see these iron deposits a year later.

I know there is no magic pill as I stated. Again, I just did not expect to see this this early. I will show some pictures below. Paint was immaculate prior to application, and properly decontaminated.

I figured with regular maintenance washes in winter, and then applying a coating boost, things would be different.
 
Me personally like it as a upsell for more $$$.If a customer wants me to promise them the world for promblem free great looking paint all the time,I avoid that situation don't need a complaint.coatings on wheels are great cause we all know wheels are a pita to clean.coating on a boat is the real deal as far as long term durability test.I have no promblem companies trying to up the improvement of better products.845 every 3 months should cover your promblem simply a great product without all the fuss and work.
 
Jeremy1976 said:
A coating should help reduce wash induced scratches and swirls so if I only get that out of it I will stick with it the more I think about this.
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Believe it or not this really isn't a major benefit despite what many coatings will claim and what people tend to believe. Coatings will develop swirls and scratches in about the same fashion as an uncoated car if proper care is not used when cleaning them.

The major benefits are the chemical resistance, durability, thickness (relative to waxes and sealants), and ease of maintenance due to the ability to resist dirt and contamination better than traditional waxes and sealants.

I understand you were hoping that iron deposits would no longer be visible, but let's be realistic... you've got a white car (clean blank canvas) so any contrasting particle will be visible. Regardless of how tiny it may be. As I mentioned previously in this thread, there is no product on the market that will prevent "stuff" from landing and sticking to the surface of your vehicle (coated or not). This is the reason that CarPro, for instance, lists IronX as a necessary maintenance item for keeping your coated vehicle clean. Optimum has their version of iron remover, GTechniq has their version of iron remover, etc.

As you know... lower maintenance does not mean maintenance free. If the tiny specs bother you, white was a poor color choice for your OCD. Perhaps a more vibrant color or a darker grey would better suit your needs in the future :)
 
zmcgovern45 said:
Believe it or not this really isn't a major benefit despite what many coatings will claim and what people tend to believe. Coatings will develop swirls and scratches in about the same fashion as an uncoated car if proper care is not used when cleaning them.

The major benefits are the chemical resistance, durability, thickness (relative to waxes and sealants), and ease of maintenance due to the ability to resist dirt and contamination better than traditional waxes and sealants.

I understand you were hoping that iron deposits would no longer be visible, but let's be realistic... you've got a white car (clean blank canvas) so any contrasting particle will be visible. Regardless of how tiny it may be. As I mentioned previously in this thread, there is no product on the market that will prevent "stuff" from landing and sticking to the surface of your vehicle (coated or not). This is the reason that CarPro, for instance, lists IronX as a necessary maintenance item for keeping your coated vehicle clean. Optimum has their version of iron remover, GTechniq has their version of iron remover, etc.

As you know... lower maintenance does not mean maintenance free. If the tiny specs bother you, white was a poor color choice for your OCD. Perhaps a more vibrant color or a darker grey would better suit your needs in the future :)
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Totally agree. I'm not new to detailing. Just coatings. My expectations were not unrealistic. I didn't figure on them developing this soon. By spring time at this rate it will look like a red head with freckles.

My personal cars get full details including Iron X decontamination every spring and fall. I have been professionally detailing for 20 years now.
 
Wish me luck... I'm about to polish and re apply the coating on my vehicle.


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Jeremy1976 said:
I regularly see customer vehicles where they have paid high dollars for dealership coatings guaranteed for 5 years plus. Only to see these iron deposits a year later.
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Yeah, but...those dealership "coatings" are usually just a sealant and some fine print that you have to bring the vehicle back every 6 months or a year to essentially have the "coating" reapplied, in order to maintain the "5-year" guarantee.
 
Setec Astronomy said:
Yeah, but...those dealership "coatings" are usually just a sealant and some fine print that you have to bring the vehicle back every 6 months or a year to essentially have the "coating" reapplied, in order to maintain the "5-year" guarantee.
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And pay for it? Every 6 months $800- $1500 to have it reapplied? That's the going rate for them around here. I think the dealership coatings are garbage and a waste of money. They probably have some high school kids applying them. It's all about commission and making money on the customer.

The last customer I had with the deposits had a brand new white Jeep Grand Cherokee Limited. He paid $1200 and was guaranteed no maintenance by him or dealership for 5 years. When he went in and showed then the orange spots they quickly said they don't cover that..... It's a sham to get your money.
 
No, you misunderstood me. The fine print on those dealer "coatings" usually says you have to bring the car back in periodically for (free) maintenance (which no one does) or it voids the warranty. Or, in your example, what the salesman told you and what the warranty says are two different things, where they guarantee the paint for 5 years, except they exclude bird and chemical damage, iron spots, scratches, etc. so the "guarantee" is not worth the paper it's printed on. Besides I'm pretty sure some mfrs. warranty the paint to not fail for 5 years.
 
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