High spots harmful?

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GreatAvalon

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Hi guys. Quick question. I am coating my vehicle with CQUK and I have a section on the roof that I didn't wipe off in time and it dried. Well, started to dry. I was able to wipe/scrub up most, but I'm sure there will be some smears/high spots left over. I am not too worried about them as they are on the roof so you can't see them, but since the roof gets abused by the sun I want to make sure that leaving high spots doesn't have a negative effect.

To me, it would make sense that if anything, leaving high spots would actually be more protective lol.

Thanks in advance, everybody!
 
I will add that this was the second coat and that I took another look at it and it doesn't look as bad as I thought, but the smears/high spots are very light, they don't look rainbow-y.
 
Zero issue as far as anything negative functionally. Indeed it's more protection.

Aesthetics are the only issue and if it's not an issue to you then it is not an issue.
 
Awesome, thank you! It seems to have almost disappeared as it has cured. Luckily today's sun is getting the surface temps to 130 to get a nice hard bake on the coating. 2 coats of UK is ridiculously shiny!!! That was luckily the only issue I had during this application. This one is my fourth and turned out the best by far. :)
 
So if I ever want to redo the roof, how would I get the current blotchy CQUK off? How aggressive of pad and polish/compound does it take with a PC?
 
If the UK hasn't fully cured you can use reflect and a soft pad to level off. Personally I would polish and redo a quick coat (and I won't bore you with the details of my theories why).
 
Hmm... it is interesting to see another high spot happening on the roof. I had this issue 2 times as well lol. A light polish by hands using Meguairs M205 on LC black foam finishing pad in that high spot works for me.
 
Thanks for the help guys!

The UK will probably be fully cured before I will have the time to correct it. At the earliest would be this weekend and a more realistic timeline would be next weekend.

So M205 with a black LC pad- thanks! So it appears if that gets it up then it isn't all that tough to get up.

After 2 weeks or so of cure time, does anyone have any other combinations to try? I'd just like to have options. I have all the LC flat foam pads, tangerine and Crimson hydrotech pads, Menzerna 2500 and 4500, m105 and m205, and CarPro reflect. Using the Reflect would be less than ideal as for some reason it after playing with it for a long time I couldnt get it to finish down on this paint without micro marring.

To polish the paint prior to coating application I used a tangerine hydrotech pad with menz. 2500.
 
The longer it cures the harder to polish off so at two weeks it's still ok to remove high spots but not cutting to deep. After a couple months you need compound to remove UK.

Have you tried using MUCH less with reflect and polishing until it's completely gone?

In this case m205 will be fine even by hand and a foam applicator will wipe the high spots off if done soon enough
 
GreatAvalon said:
Thanks for the help guys!

The UK will probably be fully cured before I will have the time to correct it. At the earliest would be this weekend and a more realistic timeline would be next weekend.

So M205 with a black LC pad- thanks! So it appears if that gets it up then it isn't all that tough to get up.

After 2 weeks or so of cure time, does anyone have any other combinations to try? I'd just like to have options. I have all the LC flat foam pads, tangerine and Crimson hydrotech pads, Menzerna 2500 and 4500, m105 and m205, and CarPro reflect. Using the Reflect would be less than ideal as for some reason it after playing with it for a long time I couldnt get it to finish down on this paint without micro marring.

To polish the paint prior to coating application I used a tangerine hydrotech pad with menz. 2500.
Click to expand...

In my experience, I messed up my CQUK application the first time and have to re-coat the 3 panels (2 doors + 1 bumper), M205 on LC Black pad on 4 section passes (anything less than 4 doesn't do it) removed CQUK that has been cured for 1 week. It finished down very nicely for me.

I think M205 is pad dependent, I tried M205 on orange and it cuts like compound, yet still finish down well. I don't think you need any more aggressive than M205 to remove the coating. If M205 on black doesn't work, bump it to white pad, and orange pad. When M205 on orange can remove some heavy swirl, I'm sure it can remove coating. M205 works very well with soft paint like Toyota/Lexus type.
For M205, you need to prime the pad.

For Reflect, you should NOT prime it, the less, the better. 4-5 dots in the beginning, clean pads, 2-3 dots after, and work SHORT time. The shorter, the better. I think marring issue you have is because: 1. using a bit more Reflect than needed and 2. working too long.
 
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