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Gtechniq Gtechniq was founded by quantum physicist Drew Gill in 2001, out of a total dissatisfaction with the performance of paint protection products at the time. Everything from waxes, to new-fangled polymers and PTFE based miracle treatments, nothing on the market offered any meaningful durability, either in looks, or protection. Worse still, he found that most of the products actually performed poorer than the paints they were supposed to protect. From this discontent came a simple idea, ‘To engineer the world’s most beautiful, perfectly finished, smartest and most intelligent surfaces. Surfaces that do much more than simply look great when new.’

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Old 30-07-2019, 04:11 PM   #1
Ad182
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C4 Question

When applying C4 should I be cautious about getting any on the paint while applying to the trim or will the excess just wipe off when I remove it from the trim.

I already have CSL + EXO applied a year ago now. As for applying product as I understand it's to apply sparingly with provided pads and wipe off after 15 minutes with a MF.
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Old 31-07-2019, 02:31 PM   #2
organgrinder
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C4 is just the same as C1 so it won't harm your paint work but I would try to be careful when applying so that you don't put much of it on top of the EXO. It will just wipe off as long as you don't leave it too long.
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Old 03-08-2019, 08:58 PM   #3
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Alright good to know thanks. Will be careful anyway there just might be the odd little bit. Saves the need to put tape on the paint.
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Old 03-08-2019, 10:29 PM   #4
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I’d mask the paint work, but that’s just me.

C4 application goes like this....

Clean all trim and make sure any contamination such as tar is removed, then clean with a neat citrus based cleaner and allow to fully dry, make sure there are no water drops!
Then apply a few drops of c4 to a lint free pad and apply evenly and remove residue immediately using a microfibre cloth.
Don’t allow the trim to get wet for 12 hours afterwards.

Hope that helps

Last edited by SystemClenz; 04-08-2019 at 12:03 AM.
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Old 04-08-2019, 09:20 AM   #5
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Quote:
Originally Posted by mb1 View Post
where can I do Detailing Course please
Gtechniq do one https://gtechniq.com/customer-service/training/
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Old 10-08-2019, 01:41 AM   #6
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does that mean if the coating is on the car surface No damp or moisture for 12 hours
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Old 14-08-2019, 02:04 PM   #7
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Yeah was going to do mine in the evening but I think I'll do it in the morning now as even in dry weather sometimes there's a fair bit of moisture on the car during the night.
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Old 15-08-2019, 01:06 AM   #8
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try to get your car in a garage without dust or dirt or dump
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Old 15-08-2019, 01:06 AM   #9
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or in a indoor car park
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Old 29-08-2019, 03:40 PM   #10
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Quote:
Originally Posted by SystemClenz View Post
I’d mask the paint work, but that’s just me.

C4 application goes like this....

Clean all trim and make sure any contamination such as tar is removed, then clean with a neat citrus based cleaner and allow to fully dry, make sure there are no water drops!
Then apply a few drops of c4 to a lint free pad and apply evenly and remove residue immediately using a microfibre cloth.
Don’t allow the trim to get wet for 12 hours afterwards.

Hope that helps
Should have took your advice and used tape. Got lazy and probably ended up spending more time.

On plastics it was fine but on the rubber trim around the windows it was pretty grippy as I wiped it off. Also the applicators were getting what appeared to be dirty even though I had thoroughly cleaned with W5 and IPA until no sign of dirt was being removed.

Got it done in the end only trouble I had was there's still some minor smudges of C4 on the paint as I didn't want to keep hitting the trim while buffing off and I managed to kick the bottle over and lost half a bottle worth. See how it holds up now I guess.

Overall a bad experience but I've learned for the future. Definitely tape up next time and avoid doing under direct sunlight. Hoping the remaining smudges will come off when I next wash it.
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