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Old 11-07-2013, 11:51 AM   #1
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Freckles on 19 year old now gone

The Tough Coat green paint on the front of our rig has shown white freckles from road rash events for some years now and I have removed the big plastic shield from the rig.

So yesterday I removed the bolt holes and freckles with some fresh paint applied in my driveway.

I do not have a paint sprayer and compressor set up.







After the sanding and cleaning, I used a Preval Sprayer ($5.00 at Home Depot) to apply about 7 oz of matched metallic auto paint ($8.00 per oz.) to the front and around the sides of the bumper area.

Then I sprayed 3 coats of 2 part Clear Coat (SprayMax 2K @ $23.00 per spray can) over the three coats of base paint.

Total cost was about $125 for materials vs the $1700 the auto body shop needed for the work.

Now the big question....Will it last as long as the body shop paint job would?

I do not know, but it looks fine and has a great shine once again.
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Old 11-07-2013, 11:57 AM   #2
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Great job!
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Old 11-08-2013, 10:34 AM   #3
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Thanks

I found a "before" photo of the bumper with Freckles plus a few bugs to show the comparison.



And after repaint

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Old 11-08-2013, 11:41 AM   #4
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Great looking Job. When can you start on mine. Is the front of your MH medal or fiberglass.
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Old 11-08-2013, 05:11 PM   #5
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It is a fiberglass rig.

The front bumper has had a textured product applied during manufacture with paint applied over it.

That had to be sanded before repainting. I did not totally remove the stuff in my sanding process so that is why you can see some texture in the final finish.

The reason I posted this event was to perhaps encourage others to try to do similar projects even though they did not have an automotive painting air compressor available.

It is difficult to mirror the results to be obtained by a professional, when using the above approach, but the donated labor via DIY might establish some value for readers
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Old 11-08-2013, 05:22 PM   #6
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Still a good job!
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Old 11-08-2013, 05:51 PM   #7
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Very Nice....thanks for the thread...very good stuff to know.
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Old 11-14-2013, 01:20 PM   #8
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I'm very impressed, but suspect the paint will not be as durable as the professionally applied one. I believe they actually bake the paint, providing additional hardness. (Could be wrong, but I know that's how they do it at the factory).

Excellent, job though!
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Old 11-14-2013, 04:33 PM   #9
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Thank you.

I did use a fast reducer (for 60 degrees) in the paint and it was about 80 degrees in the sun when painted. Not exactly baking.

Yep, I know that I will not get another 18 years on this paint job. But also do not know what to expect for life from a body shop since they do not often work on fiberglass.

It is amazing to me that the original clear coat over gelcoat lasted more than 10 years and up to 18 years on this rig. The boat folks say not to clear coat gelcoat directly.
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Old 11-14-2013, 06:02 PM   #10
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The products that you used would not have any isocyanate in the formulation so you should expect to see earlier dulling with increased sensitivity to stone chipping. Be thankfull you avoided using the more durable products since they are darned dangerous to use wihout proper air-supplied mask etc.
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Old 11-14-2013, 11:42 PM   #11
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Exrench, I am not sure what you mean by "earlier dulling" in terms of time.

Could you provide a time range for the earlier dulling effect?

Thanks
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Old 11-15-2013, 08:50 AM   #12
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Quote:
Originally Posted by deandec View Post
Exrench, I am not sure what you mean by "earlier dulling" in terms of time.

Could you provide a time range for the earlier dulling effect?

Thanks

Earlier dulling is not easy to quantify in the sense that my 18 year old Volvo caused surprised reaction from people when they learned it's age.My five year old Honda shows the same paint durability.
Historically,automotive paint systems started to use aliphatic isocyanate as a hardener and gloss promoter somewhere back in the 1970's when they were intended only for the pro painters' use. Since then,a painter had the option ,in the aftermarket,to use hardener or not.The result is a faster dull down or not.Hardener is both expensive and hazardous to health.Upon these factors,hinged the decision.Hardener has a "pot life",thus cannot be pre-mixed and put on the shelf for sale.
The "early dulling" needs a good memory of what a five year old car looked like back in the 1960's when a five year old car LOOKED like a five year old car. The paint you used is 1960's technology. I will raise a glass to all the DYI people who can roll up their sleeves and "git er done". You are one!
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Old 11-15-2013, 09:11 AM   #13
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Dean,

For what that cost you, you can do it 13 more times and still be a little ahead of the body shop in price.

Nice job!
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Old 11-15-2013, 11:07 AM   #14
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The paint you used is 1960's technology. I will raise a glass to all the DYI people who can roll up their sleeves and "git er done". You are one!

Thank you for the info and the compliment.

But I did not think that common 1960's technology included clear coat over base coat paints or two part 24 hour shelf life, once mixed, clearcoat paint.

My understanding is that both are relatively recent decade's technology.

I do know however that the base coat I used, cannot be sold in the adjacent county in California due to VOC offput.

Water based base coats are now becoming the paint required?

Will any of the above change your forecast of paint dulling?
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