Hard to remove Spots on below Window Trim

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bjornwik

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Ok, I thought I'd ask for an expert's advice on this.

The vehicle is only 2 years old, yet already shows spots on the lower window trim. It seems to be a common problem on these rubber mouldings, but I haven't found any common tips on this, just opinions.

The spots seem to be above surface. They appear grey when dry, but a lot darker than the trim, when wet. What's weird is they are almost similarly round and mostly in the corners, but there are some spots along the whole trim.

What are they? I just recently noticed them and they are impossible to remove. Are they etched waterspots? Unlikely. Mold? Weathering? Why so soon? It is weird.

So far I've tried scrubbing them with quick detailer, vinegar, Meg's black trim restorer (it just covers stuff up for a little while, so clearly not an actual solution...); I've also tried claying, which I thought was an odd option, but that seemed to work the best, yet I haven't achieved much of a progress, if any, at all.

Is there any pro consensus of a solution for this apparently common problem?

*sorry for the low quality iPad photo, it's the best I've got today*
 
Wurth I know have a rubber cleaner in spray that we use at our shop, works great to clean rubber and restore it but not sure about water spots on moldings. CarPro Spotless an alternative??
Hope you get it out brother
 
Those rubber pieces have a coating on them to protect from UV light and ad a bit of gloss. The problem is the rubber's coating is just not durable. Wether it's UV damage, water spots, chemical etching/stains, or oxidation - you'll never know.

There are 2 ways I would go about fixing it. First, I'd clean them well with Tuff Sine tire cleaner and a cotton towel. This is essential, since they have had dressings applied to them.

Then I would coat them with CarPro DLux. Tape up surrounding areas - as you don't want to get DLux on your paint or glass. I did this process on mine almost 2 years ago and they still look great.

The problem with DLux is it can leave a slight streaky look on smooth rubber. It is very slight and can mostly be avoided by careful application.

Method #2 is a LOT more work...


Sent from my iPhone using Tapatalk
 
Have you tried something more abrasive?

A few drops of compound on a MF towel or a Magic Eraser.
Go easy with either of these
 
Wouldn't spots still show through Dlux?

Problem is, they are not quite smooth to the touch. Maybe a finishing polish would do the trick.
 
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